Java version of the "Docker and Kubernetes: The Complete Guide" Udemy course
Github Repositories
Source code for the Java version of the Docker and Kubernetes: The Complete Guide Udemy course
Within the code you can see how to:
- Create different Docker Container Types and relate all of them:
- React Client App
- .NET Core Web API
- .NET Core Console
- Postgres
- Redis
- NGINX
- Use Postgres from a Docker Container with Java
- Use Redis from a Docker Container with Java creating a subscription on the Web API App and - subscribe to it on the Console App.
- Accept dynamic POST request with Java Spring Framework Web API
- Send dynamic JSON responses from Java Spring Framework Web API
- Use Docker Compose to run and relate easily different Docker Components
- Use NIGIX Container to run the React Client App
- Use NIGIX Container as Reverse Proxy with Java Spring Framework Web API
- Work with different AWS Amazon service types to deploy a multi-container Docker application using AWS Elastic Beanstalk
- Upload own Containers to Docker Hub and download them with the deployment
- Use Travis CI for the Continuous Integration Workflow
- Use Kubernetes to run the same multi-container application
- Use Minikube to run Kubernetes locally
- Use Kubectl CLI for interacting with Kubernetes Master
- Use Google Kubernetes Engine to run the Kubernetes Cluster on the Cloud
- Run the Ruby Travis CI CLI from a Docker container locally
- Manage the automatic creation and renewal of a TLS certificate using Kubernetes to run the application with HTTPS
Table of contents
- Create the server project using Visual Studio Code
- Create the worker application using the mvn command
- Complete the solution copying the client and nginx projects from the original NodeJS solution and the Docker Compose file
- Onwards to Kubernetes!
- Maintaining Sets of Containers with Deployments
- A Multi-Container App with Kubernetes
- Kubernetes Production Deployment
You can find more information on Docker and Kubernetes: The Complete Guide.
Create the server project using Visual Studio Code
- Add the needed VS Code extensions
As it's explain on Spring Boot in Visual Studio Code, we need to install:
- Create a new project using the Spring Initializr extension
Open the command Palette (Ctrl+Shift+P) and search and select Spring Initialzr: Generate a Maven Project
Select Java
Enter com.peelmicro for the Group Id
Enter server for the Artifact Id
Put 2.1.0 for the Spring Boot Version
Select Web for dependencies
Select the parent folder where the project folder and files are going to be created:
Once it's generated, a Windows popup is shown confirming it was Succesfully generated with the used location.
The new project can be opened on a new Visual Studio Code Window.
- Check the generated documents
DemoApplication.java
package com.peelmicro.server;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.peelmicro</groupId>
<artifactId>server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.0.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
- Ensure the project compiles with success
From the terminal windows put the following command:
mvn install
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server$ mvn install[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------< com.peelmicro:server >------------------------
[INFO] Building demo 0.0.1-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ server ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.8.0:compile (default-compile) @ server ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\classes
[INFO]
[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ server ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.8.0:testCompile (default-testCompile) @ server ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\test-classes
[INFO]
[INFO] --- maven-surefire-plugin:2.22.1:test (default-test) @ server ---
[INFO]
[INFO] -------------------------------------------------------
[INFO] T E S T S
[INFO] -------------------------------------------------------
[INFO] Running com.peelmicro.server.DemoApplicationTests
17:38:55.287 [main] DEBUG org.springframework.test.context.junit4.SpringJUnit4ClassRunner - SpringJUnit4ClassRunner constructor called with [class com.peelmicro.server.DemoApplicationTests]
17:38:55.297 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating CacheAwareContextLoaderDelegate from class [org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate]
17:38:55.324 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating BootstrapContext using constructor [public org.springframework.test.context.support.DefaultBootstrapContext(java.lang.Class,org.springframework.test.context.CacheAwareContextLoaderDelegate)]
17:38:55.370 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating TestContextBootstrapper for test class [com.peelmicro.server.DemoApplicationTests] from class [org.springframework.boot.test.context.SpringBootTestContextBootstrapper]
17:38:55.414 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Neither @ContextConfiguration nor @ContextHierarchy found for test class [com.peelmicro.server.DemoApplicationTests], using SpringBootContextLoader
17:38:55.421 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [com.peelmicro.server.DemoApplicationTests]: class path resource [com/peelmicro/server/DemoApplicationTests-context.xml] does not exist
17:38:55.422 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [com.peelmicro.server.DemoApplicationTests]: class path resource [com/peelmicro/server/DemoApplicationTestsContext.groovy] does not exist
17:38:55.422 [main] INFO org.springframework.test.context.support.AbstractContextLoader - Could not detect default resource locations for test class [com.peelmicro.server.DemoApplicationTests]: no resource found for suffixes {-context.xml, Context.groovy}.
17:38:55.423 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils - Could not detect default configuration classes for test class [com.peelmicro.server.DemoApplicationTests]: DemoApplicationTests does not declare any static, non-private, non-final, nested classes annotated with @Configuration.
17:38:55.538 [main] DEBUG org.springframework.test.context.support.ActiveProfilesUtils - Could not find an 'annotation declaring class' for annotation type [org.springframework.test.context.ActiveProfiles] and class [com.peelmicro.server.DemoApplicationTests]
17:38:55.699 [main] DEBUG org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider - Identified candidate component class: file [C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\classes\com\peelmicro\server\DemoApplication.class]
17:38:55.707 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Found @SpringBootConfiguration com.peelmicro.server.DemoApplication for test class com.peelmicro.server.DemoApplicationTests
17:38:55.872 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - @TestExecutionListeners is not present for class [com.peelmicro.server.DemoApplicationTests]: using defaults.
17:38:55.874 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener, org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]
17:38:55.977 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Skipping candidate TestExecutionListener [org.springframework.test.context.transaction.TransactionalTestExecutionListener] due to a missing dependency. Specify custom listener classes or make the default listener classes and their required dependencies available. Offending class: [org/springframework/transaction/interceptor/TransactionAttributeSource]
17:38:55.981 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Skipping candidate TestExecutionListener [org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener] due to a missing dependency. Specify custom listener classes or make the default listener classes and their required dependencies available. Offending class: [org/springframework/transaction/interceptor/TransactionAttribute]
17:38:55.982 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@4802796d, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@34123d65, org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener@59474f18, org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener@65fb9ffc, org.springframework.test.context.support.DirtiesContextTestExecutionListener@3e694b3f, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener@1bb5a082, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener@78691363, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener@41d477ed, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener@3590fc5b, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener@397fbdb]
17:38:55.988 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.peelmicro.server.DemoApplicationTests]
17:38:55.990 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource]
for class [com.peelmicro.server.DemoApplicationTests]
17:38:55.999 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.peelmicro.server.DemoApplicationTests]
17:38:55.999 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource]
for class [com.peelmicro.server.DemoApplicationTests]
17:38:56.014 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.peelmicro.server.DemoApplicationTests]
17:38:56.014 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource]
for class [com.peelmicro.server.DemoApplicationTests]
17:38:56.034 [main] DEBUG org.springframework.test.context.support.AbstractDirtiesContextTestExecutionListener - Before test class: context [DefaultTestContext@36ebc363 testClass = DemoApplicationTests, testInstance = [null], testMethod = [null], testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@45752059 testClass = DemoApplicationTests, locations = '{}', classes = '{class com.peelmicro.server.DemoApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@727803de, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@16f7c8c1, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@6d3af739, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@57f23557], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true]], class annotated with @DirtiesContext [false] with mode [null].
17:38:56.037 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.peelmicro.server.DemoApplicationTests]
17:38:56.040 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource]
for class [com.peelmicro.server.DemoApplicationTests]
17:38:56.137 [main] DEBUG org.springframework.test.context.support.TestPropertySourceUtils - Adding inlined properties to environment: {spring.jmx.enabled=false, org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true, server.port=-1}
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.0.RELEASE)
2018-11-16 17:38:56.848 INFO 8668 --- [ main] c.peelmicro.server.DemoApplicationTests : Starting DemoApplicationTests on RIMDUB-0232 with PID 8668 (started by Juan.Pablo.Perez in C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server)
2018-11-16 17:38:56.849 INFO 8668 --- [ main] c.peelmicro.server.DemoApplicationTests : No active profile set, falling back to default profiles: default
2018-11-16 17:38:59.909 INFO 8668 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2018-11-16 17:39:00.656 INFO 8668 --- [ main] c.peelmicro.server.DemoApplicationTests : Started DemoApplicationTests in 4.487 seconds (JVM running for 6.434)
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.433 s - in com.peelmicro.server.DemoApplicationTests
2018-11-16 17:39:01.198 INFO 8668 --- [ Thread-2] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor'
[INFO]
[INFO] Results:
[INFO]
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO]
[INFO]
[INFO] --- maven-jar-plugin:3.1.0:jar (default-jar) @ server ---
[INFO] Building jar: C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\server-0.0.1-SNAPSHOT.jar
[INFO]
[INFO] --- spring-boot-maven-plugin:2.1.0.RELEASE:repackage (repackage) @ server ---
[INFO] Replacing main artifact C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\server-0.0.1-SNAPSHOT.jar
[INFO]
[INFO] --- maven-install-plugin:2.5.2:install (default-install) @ server ---
[INFO] Installing C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\server-0.0.1-SNAPSHOT.jar to C:\Users\juan.pablo.perez\.m2\repository\com\peelmicro\server\0.0.1-SNAPSHOT\server-0.0.1-SNAPSHOT.jar
[INFO] Installing C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\pom.xml to C:\Users\juan.pablo.perez\.m2\repository\com\peelmicro\server\0.0.1-SNAPSHOT\server-0.0.1-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 18.336 s
[INFO] Finished at: 2018-11-16T17:39:04Z
[INFO] ------------------------------------------------------------------------
- Ensure we can run it with the following command:
java -cp target/server-0.0.1-SNAPSHOT.jar
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ java -jar target/server-0.0.1-SNAPSHOT.jar com.peelmicro.App
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.0.RELEASE)
2018-11-16 17:52:47.935 INFO 69736 --- [ main] com.peelmicro.server.DemoApplication : Starting DemoApplication v0.0.1-SNAPSHOT on RIMDUB-0232 with PID 69736 (C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\server-0.0.1-SNAPSHOT.jar started by Juan.Pablo.Perez in C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server)
2018-11-16 17:52:47.944 INFO 69736 --- [ main] com.peelmicro.server.DemoApplication : No active profile set, falling back to default profiles: default
2018-11-16 17:52:51.463 INFO 69736 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2018-11-16 17:52:51.542 INFO 69736 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2018-11-16 17:52:51.550 INFO 69736 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/9.0.12
2018-11-16 17:52:51.573 INFO 69736 --- [ main] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files\Java\jdk1.8.0_171\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\Users\juan.pablo.perez\bin;C:\Program Files\Docker\Docker\Resources\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0;C:\WINDOWS\System32\OpenSSH;C:\Program Files\OpenVPN\bin;C:\Program Files\Git\cmd;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn;C:\Program Files (x86)\Microsoft SQL Server\140\Tools\Binn;C:\Program Files\Microsoft SQL Server\140\Tools\Binn;C:\Program Files\Microsoft SQL Server\140\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn;C:\Program Files (x86)\Microsoft SQL Server\140\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\140\Tools\Binn\ManagementStudio;C:\Program Files\dotnet;C:\Program Files\Microsoft SQL Server\130\Tools\Binn;C:\Program Files\nodejs;C:\Program Files (x86)\Yarn\bin;C:\Program Files\Java\jdk1.8.0_171\bin;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Program Files\MongoDB\Server\4.0\bin;C:\Program Files (x86)\dotnet;C:\Program Files (x86)\LINQPad5;C:\Program Files\Redis;C:\Users\juan.pablo.perez\AppData\Local\Programs\Python\Python37\Scripts;C:\Users\juan.pablo.perez\AppData\Local\Programs\Python\Python37;C:\Users\juan.pablo.perez\AppData\Local\Microsoft\WindowsApps;C:\Program Files\Microsoft VS Code\bin;C:\Users\juan.pablo.perez\AppData\Local\Programs\Fiddler;C:\Tools\apache-maven-3.5.4\bin;C:\Tools\gradle\bin;C:\Users\juan.pablo.perez\AppData\Roaming\npm;C:\Users\juan.pablo.perez\.dotnet\tools;C:\Users\juan.pablo.perez\AppData\Local\Yarn\bin;C:\Program Files\MySQL\MySQL Server 8.0\bin;C:\Users\juan.pablo.perez\AppData\Local\Programs\Microsoft VS Code\bin;C:\Tools\Desklock+;C:\Program Files\PostgreSQL\10\bin;.]
2018-11-16 17:52:51.892 INFO 69736 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2018-11-16 17:52:51.931 INFO 69736 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 3902 ms
2018-11-16 17:52:52.041 INFO 69736 --- [ main] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2018-11-16 17:52:52.057 INFO 69736 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-11-16 17:52:52.061 INFO 69736 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-11-16 17:52:52.063 INFO 69736 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'formContentFilter' to: [/*]
2018-11-16 17:52:52.064 INFO 69736 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-11-16 17:52:52.412 INFO 69736 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2018-11-16 17:52:52.895 INFO 69736 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2018-11-16 17:52:52.901 INFO 69736 --- [ main] com.peelmicro.server.DemoApplication : Started DemoApplication in 5.836 seconds (JVM running for 6.854)
The last command should contain something like Started DemoApplication in
- Modify the main class and add a new Controller class.
As it is explained on Building an Application with Spring Boot the DemoApplication class will be changed to show some information on the console and to create a controler to show some information on the Web.
DemoApplication.java
package com.peelmicro.server;
import java.util.Arrays;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
@Bean
public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
return args -> {
System.out.println("Let's inspect the beans provided by Spring Boot:");
String[] beanNames = ctx.getBeanDefinitionNames();
Arrays.sort(beanNames);
for (String beanName : beanNames) {
System.out.println(beanName);
}
};
}
}
The class can be created on the same folder
DemoController.java
package com.peelmicro.server;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RequestMapping;
@RestController
public class DemoController {
@RequestMapping("/")
public String index() {
return "Greetings from Spring Boot!";
}
}
- Ensure both console and web messages are working properly
- Execute the command
mvn package && java -jar target/server-0.0.1-SNAPSHOT.jar
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ mvn package && java -jar target/server-0.0.1-SNAPSHOT.jar
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------< com.peelmicro:server >------------------------
[INFO] Building demo 0.0.1-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ server ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.8.0:compile (default-compile) @ server ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 2 source files to C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\classes
[INFO]
[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ server ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.8.0:testCompile (default-testCompile) @ server ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-surefire-plugin:2.22.1:test (default-test) @ server ---
[INFO]
[INFO] -------------------------------------------------------
[INFO] T E S T S
[INFO] -------------------------------------------------------
[INFO] Running com.peelmicro.server.DemoApplicationTests
18:19:14.714 [main] DEBUG org.springframework.test.context.junit4.SpringJUnit4ClassRunner - SpringJUnit4ClassRunner constructor called with [class com.peelmicro.server.DemoApplicationTests]
18:19:14.730 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating CacheAwareContextLoaderDelegate from class [org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate]
18:19:14.758 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating BootstrapContext using constructor [public org.springframework.test.context.support.DefaultBootstrapContext(java.lang.Class,org.springframework.test.context.CacheAwareContextLoaderDelegate)]
18:19:14.833 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating TestContextBootstrapper for test class [com.peelmicro.server.DemoApplicationTests] from class [org.springframework.boot.test.context.SpringBootTestContextBootstrapper]
18:19:14.912 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Neither @ContextConfiguration nor @ContextHierarchy found for test class [com.peelmicro.server.DemoApplicationTests], using SpringBootContextLoader
18:19:14.920 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [com.peelmicro.server.DemoApplicationTests]: class path resource [com/peelmicro/server/DemoApplicationTests-context.xml] does not exist
18:19:14.921 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [com.peelmicro.server.DemoApplicationTests]: class path resource [com/peelmicro/server/DemoApplicationTestsContext.groovy] does not exist
18:19:14.922 [main] INFO org.springframework.test.context.support.AbstractContextLoader - Could not detect default resource locations for test class [com.peelmicro.server.DemoApplicationTests]: no resource found for suffixes {-context.xml, Context.groovy}.
18:19:14.929 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils - Could not detect default configuration classes for test class [com.peelmicro.server.DemoApplicationTests]: DemoApplicationTests does not declare any static, non-private, non-final, nested classes annotated with @Configuration.
18:19:15.108 [main] DEBUG org.springframework.test.context.support.ActiveProfilesUtils - Could not find an 'annotation declaring class' for annotation type [org.springframework.test.context.ActiveProfiles] and class [com.peelmicro.server.DemoApplicationTests]
18:19:15.466 [main] DEBUG org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider - Identified candidate component class: file [C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\classes\com\peelmicro\server\DemoApplication.class]
18:19:15.522 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Found @SpringBootConfiguration com.peelmicro.server.DemoApplication for test class com.peelmicro.server.DemoApplicationTests
18:19:15.860 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - @TestExecutionListeners is not present for class [com.peelmicro.server.DemoApplicationTests]: using defaults.
18:19:15.862 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener, org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]
18:19:15.926 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Skipping candidate TestExecutionListener [org.springframework.test.context.transaction.TransactionalTestExecutionListener] due to a missing dependency. Specify custom listener classes or make the default listener classes and their required dependencies available. Offending class: [org/springframework/transaction/interceptor/TransactionAttributeSource]
18:19:15.928 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Skipping candidate TestExecutionListener [org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener] due to a missing dependency. Specify custom listener classes or make the default listener classes and their required dependencies available. Offending class: [org/springframework/transaction/interceptor/TransactionAttribute]
18:19:15.929 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@776aec5c, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@1d296da, org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener@7c7a06ec, org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener@75d4a5c2, org.springframework.test.context.support.DirtiesContextTestExecutionListener@557caf28, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener@408d971b, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener@6c6cb480, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener@3c46e67a, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener@c730b35, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener@206a70ef]
18:19:15.942 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.peelmicro.server.DemoApplicationTests]
18:19:15.989 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource]
for class [com.peelmicro.server.DemoApplicationTests]
18:19:15.994 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.peelmicro.server.DemoApplicationTests]
18:19:15.994 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource]
for class [com.peelmicro.server.DemoApplicationTests]
18:19:15.995 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.peelmicro.server.DemoApplicationTests]
18:19:15.996 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource]
for class [com.peelmicro.server.DemoApplicationTests]
18:19:16.008 [main] DEBUG org.springframework.test.context.support.AbstractDirtiesContextTestExecutionListener - Before test class: context [DefaultTestContext@139982de testClass = DemoApplicationTests, testInstance = [null], testMethod = [null], testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@682b2fa testClass = DemoApplicationTests, locations = '{}', classes = '{class com.peelmicro.server.DemoApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@704921a5, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@2f0a87b3, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@1da51a35, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@3d0f8e03], resourceBasePath = 'src/main/webapp', contextLoader
= 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true]], class annotated with @DirtiesContext [false] with mode [null].
18:19:16.011 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.peelmicro.server.DemoApplicationTests]
18:19:16.012 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource]
for class [com.peelmicro.server.DemoApplicationTests]
18:19:16.125 [main] DEBUG org.springframework.test.context.support.TestPropertySourceUtils - Adding inlined properties to environment: {spring.jmx.enabled=false, org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true, server.port=-1}
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.0.RELEASE)
2018-11-16 18:19:17.087 INFO 12408 --- [ main] c.peelmicro.server.DemoApplicationTests : Starting DemoApplicationTests on RIMDUB-0232 with PID 12408 (started by Juan.Pablo.Perez in C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server)
2018-11-16 18:19:17.089 INFO 12408 --- [ main] c.peelmicro.server.DemoApplicationTests : No active profile set, falling back to default profiles: default
2018-11-16 18:19:22.839 INFO 12408 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2018-11-16 18:19:24.245 INFO 12408 --- [ main] c.peelmicro.server.DemoApplicationTests : Started DemoApplicationTests in 8.093 seconds (JVM running for 11.217)
Let's inspect the beans provided by Spring Boot:
applicationTaskExecutor
basicErrorController
beanNameHandlerMapping
beanNameViewResolver
characterEncodingFilter
commandLineRunner
conventionErrorViewResolver
defaultServletHandlerMapping
defaultValidator
defaultViewResolver
demoApplication
demoController
dispatcherServlet
dispatcherServletRegistration
error
errorAttributes
errorPageCustomizer
errorPageRegistrarBeanPostProcessor
faviconHandlerMapping
faviconRequestHandler
formContentFilter
handlerExceptionResolver
hiddenHttpMethodFilter
httpRequestHandlerAdapter
jacksonCodecCustomizer
jacksonObjectMapper
jacksonObjectMapperBuilder
jsonComponentModule
localeCharsetMappingsCustomizer
loggingCodecCustomizer
mappingJackson2HttpMessageConverter
messageConverters
methodValidationPostProcessor
multipartConfigElement
multipartResolver
mvcContentNegotiationManager
mvcConversionService
mvcHandlerMappingIntrospector
mvcPathMatcher
mvcResourceUrlProvider
mvcUriComponentsContributor
mvcUrlPathHelper
mvcValidator
mvcViewResolver
org.springframework.boot.autoconfigure.AutoConfigurationPackages
org.springframework.boot.autoconfigure.condition.BeanTypeRegistry
org.springframework.boot.autoconfigure.context.ConfigurationPropertiesAutoConfiguration
org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration
org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration
org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration$StringHttpMessageConverterConfiguration
org.springframework.boot.autoconfigure.http.JacksonHttpMessageConvertersConfiguration
org.springframework.boot.autoconfigure.http.JacksonHttpMessageConvertersConfiguration$MappingJackson2HttpMessageConverterConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration$JacksonCodecConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration$LoggingCodecConfiguration
org.springframework.boot.autoconfigure.info.ProjectInfoAutoConfiguration
org.springframework.boot.autoconfigure.internalCachingMetadataReaderFactory
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$Jackson2ObjectMapperBuilderCustomizerConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$JacksonObjectMapperBuilderConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$JacksonObjectMapperConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$ParameterNamesModuleConfiguration
org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration
org.springframework.boot.autoconfigure.task.TaskSchedulingAutoConfiguration
org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration
org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration
org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration
org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration$TomcatWebServerFactoryCustomizerConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration$DispatcherServletConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration$DispatcherServletRegistrationConfiguration
org.springframework.boot.autoconfigure.web.servlet.HttpEncodingAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.MultipartAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryConfiguration$EmbeddedTomcat
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter$FaviconConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration$DefaultErrorViewResolverConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration
org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration
org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration$TomcatWebSocketConfiguration
org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata
org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor
org.springframework.boot.test.mock.mockito.MockitoPostProcessor
org.springframework.boot.test.mock.mockito.MockitoPostProcessor$SpyPostProcessor
org.springframework.context.annotation.internalAutowiredAnnotationProcessor
org.springframework.context.annotation.internalCommonAnnotationProcessor
org.springframework.context.annotation.internalConfigurationAnnotationProcessor
org.springframework.context.event.internalEventListenerFactory
org.springframework.context.event.internalEventListenerProcessor
parameterNamesModule
preserveErrorControllerTargetClassPostProcessor
propertySourcesPlaceholderConfigurer
requestContextFilter
requestMappingHandlerAdapter
requestMappingHandlerMapping
resourceHandlerMapping
restTemplateBuilder
server-org.springframework.boot.autoconfigure.web.ServerProperties
servletWebServerFactoryCustomizer
simpleControllerHandlerAdapter
spring.http-org.springframework.boot.autoconfigure.http.HttpProperties
spring.info-org.springframework.boot.autoconfigure.info.ProjectInfoProperties
spring.jackson-org.springframework.boot.autoconfigure.jackson.JacksonProperties
spring.mvc-org.springframework.boot.autoconfigure.web.servlet.WebMvcProperties
spring.resources-org.springframework.boot.autoconfigure.web.ResourceProperties
spring.servlet.multipart-org.springframework.boot.autoconfigure.web.servlet.MultipartProperties
spring.task.execution-org.springframework.boot.autoconfigure.task.TaskExecutionProperties
spring.task.scheduling-org.springframework.boot.autoconfigure.task.TaskSchedulingProperties
standardJacksonObjectMapperBuilderCustomizer
stringHttpMessageConverter
taskExecutorBuilder
taskSchedulerBuilder
tomcatServletWebServerFactory
tomcatServletWebServerFactoryCustomizer
tomcatWebServerFactoryCustomizer
viewControllerHandlerMapping
viewResolver
webServerFactoryCustomizerBeanPostProcessor
websocketServletWebServerCustomizer
welcomePageHandlerMapping
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.613 s - in com.peelmicro.server.DemoApplicationTests
2018-11-16 18:19:28.578 INFO 12408 --- [ Thread-2] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor'
[INFO]
[INFO] Results:
[INFO]
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO]
[INFO]
[INFO] --- maven-jar-plugin:3.1.0:jar (default-jar) @ server ---
[INFO] Building jar: C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\server-0.0.1-SNAPSHOT.jar
[INFO]
[INFO] --- spring-boot-maven-plugin:2.1.0.RELEASE:repackage (repackage) @ server ---
[INFO] Replacing main artifact C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\server-0.0.1-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 36.305 s
[INFO] Finished at: 2018-11-16T18:19:33Z
[INFO] ------------------------------------------------------------------------
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.0.RELEASE)
2018-11-16 18:19:36.425 INFO 36144 --- [ main] com.peelmicro.server.DemoApplication : Starting DemoApplication v0.0.1-SNAPSHOT on RIMDUB-0232 with PID 36144 (C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server\target\server-0.0.1-SNAPSHOT.jar started by Juan.Pablo.Perez in C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\server)
2018-11-16 18:19:36.446 INFO 36144 --- [ main] com.peelmicro.server.DemoApplication : No active profile set, falling back to default profiles: default
2018-11-16 18:19:41.187 INFO 36144 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2018-11-16 18:19:41.257 INFO 36144 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2018-11-16 18:19:41.284 INFO 36144 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/9.0.12
2018-11-16 18:19:41.319 INFO 36144 --- [ main] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files\Java\jdk1.8.0_171\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\Users\juan.pablo.perez\bin;C:\Program Files\Docker\Docker\Resources\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0;C:\WINDOWS\System32\OpenSSH;C:\Program Files\OpenVPN\bin;C:\Program Files\Git\cmd;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn;C:\Program Files (x86)\Microsoft SQL Server\140\Tools\Binn;C:\Program Files\Microsoft SQL Server\140\Tools\Binn;C:\Program Files\Microsoft SQL Server\140\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn;C:\Program Files (x86)\Microsoft SQL Server\140\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\140\Tools\Binn\ManagementStudio;C:\Program Files\dotnet;C:\Program Files\Microsoft SQL Server\130\Tools\Binn;C:\Program Files\nodejs;C:\Program Files (x86)\Yarn\bin;C:\Program Files\Java\jdk1.8.0_171\bin;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Program Files\MongoDB\Server\4.0\bin;C:\Program Files (x86)\dotnet;C:\Program Files (x86)\LINQPad5;C:\Program Files\Redis;C:\Users\juan.pablo.perez\AppData\Local\Programs\Python\Python37\Scripts;C:\Users\juan.pablo.perez\AppData\Local\Programs\Python\Python37;C:\Users\juan.pablo.perez\AppData\Local\Microsoft\WindowsApps;C:\Program Files\Microsoft VS Code\bin;C:\Users\juan.pablo.perez\AppData\Local\Programs\Fiddler;C:\Tools\apache-maven-3.5.4\bin;C:\Tools\gradle\bin;C:\Users\juan.pablo.perez\AppData\Roaming\npm;C:\Users\juan.pablo.perez\.dotnet\tools;C:\Users\juan.pablo.perez\AppData\Local\Yarn\bin;C:\Program Files\MySQL\MySQL Server 8.0\bin;C:\Users\juan.pablo.perez\AppData\Local\Programs\Microsoft VS Code\bin;C:\Tools\Desklock+;C:\Program Files\PostgreSQL\10\bin;.]
2018-11-16 18:19:41.952 INFO 36144 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2018-11-16 18:19:41.955 INFO 36144 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 5111 ms
2018-11-16 18:19:42.078 INFO 36144 --- [ main] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2018-11-16 18:19:42.098 INFO 36144 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-11-16 18:19:42.119 INFO 36144 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-11-16 18:19:42.131 INFO 36144 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'formContentFilter' to: [/*]
2018-11-16 18:19:42.134 INFO 36144 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-11-16 18:19:42.637 INFO 36144 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2018-11-16 18:19:43.488 INFO 36144 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2018-11-16 18:19:43.495 INFO 36144 --- [ main] com.peelmicro.server.DemoApplication : Started DemoApplication in 8.65 seconds (JVM running for 9.885)
Let's inspect the beans provided by Spring Boot:
applicationTaskExecutor
basicErrorController
beanNameHandlerMapping
beanNameViewResolver
characterEncodingFilter
commandLineRunner
conventionErrorViewResolver
defaultServletHandlerMapping
defaultValidator
defaultViewResolver
demoApplication
demoController
dispatcherServlet
dispatcherServletRegistration
error
errorAttributes
errorPageCustomizer
errorPageRegistrarBeanPostProcessor
faviconHandlerMapping
faviconRequestHandler
formContentFilter
handlerExceptionResolver
hiddenHttpMethodFilter
httpRequestHandlerAdapter
jacksonCodecCustomizer
jacksonObjectMapper
jacksonObjectMapperBuilder
jsonComponentModule
localeCharsetMappingsCustomizer
loggingCodecCustomizer
mappingJackson2HttpMessageConverter
mbeanExporter
mbeanServer
messageConverters
methodValidationPostProcessor
multipartConfigElement
multipartResolver
mvcContentNegotiationManager
mvcConversionService
mvcHandlerMappingIntrospector
mvcPathMatcher
mvcResourceUrlProvider
mvcUriComponentsContributor
mvcUrlPathHelper
mvcValidator
mvcViewResolver
objectNamingStrategy
org.springframework.boot.autoconfigure.AutoConfigurationPackages
org.springframework.boot.autoconfigure.condition.BeanTypeRegistry
org.springframework.boot.autoconfigure.context.ConfigurationPropertiesAutoConfiguration
org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration
org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration
org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration$StringHttpMessageConverterConfiguration
org.springframework.boot.autoconfigure.http.JacksonHttpMessageConvertersConfiguration
org.springframework.boot.autoconfigure.http.JacksonHttpMessageConvertersConfiguration$MappingJackson2HttpMessageConverterConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration$JacksonCodecConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration$LoggingCodecConfiguration
org.springframework.boot.autoconfigure.info.ProjectInfoAutoConfiguration
org.springframework.boot.autoconfigure.internalCachingMetadataReaderFactory
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$Jackson2ObjectMapperBuilderCustomizerConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$JacksonObjectMapperBuilderConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$JacksonObjectMapperConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$ParameterNamesModuleConfiguration
org.springframework.boot.autoconfigure.jmx.JmxAutoConfiguration
org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration
org.springframework.boot.autoconfigure.task.TaskSchedulingAutoConfiguration
org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration
org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration
org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration
org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration$TomcatWebServerFactoryCustomizerConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration$DispatcherServletConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration$DispatcherServletRegistrationConfiguration
org.springframework.boot.autoconfigure.web.servlet.HttpEncodingAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.MultipartAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryConfiguration$EmbeddedTomcat
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter$FaviconConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration$DefaultErrorViewResolverConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration
org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration
org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration$TomcatWebSocketConfiguration
org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata
org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor
org.springframework.context.annotation.internalAutowiredAnnotationProcessor
org.springframework.context.annotation.internalCommonAnnotationProcessor
org.springframework.context.annotation.internalConfigurationAnnotationProcessor
org.springframework.context.event.internalEventListenerFactory
org.springframework.context.event.internalEventListenerProcessor
parameterNamesModule
preserveErrorControllerTargetClassPostProcessor
propertySourcesPlaceholderConfigurer
requestContextFilter
requestMappingHandlerAdapter
requestMappingHandlerMapping
resourceHandlerMapping
restTemplateBuilder
server-org.springframework.boot.autoconfigure.web.ServerProperties
servletWebServerFactoryCustomizer
simpleControllerHandlerAdapter
spring.http-org.springframework.boot.autoconfigure.http.HttpProperties
spring.info-org.springframework.boot.autoconfigure.info.ProjectInfoProperties
spring.jackson-org.springframework.boot.autoconfigure.jackson.JacksonProperties
spring.mvc-org.springframework.boot.autoconfigure.web.servlet.WebMvcProperties
spring.resources-org.springframework.boot.autoconfigure.web.ResourceProperties
spring.servlet.multipart-org.springframework.boot.autoconfigure.web.servlet.MultipartProperties
spring.task.execution-org.springframework.boot.autoconfigure.task.TaskExecutionProperties
spring.task.scheduling-org.springframework.boot.autoconfigure.task.TaskSchedulingProperties
standardJacksonObjectMapperBuilderCustomizer
stringHttpMessageConverter
taskExecutorBuilder
taskSchedulerBuilder
tomcatServletWebServerFactory
tomcatServletWebServerFactoryCustomizer
tomcatWebServerFactoryCustomizer
viewControllerHandlerMapping
viewResolver
webServerFactoryCustomizerBeanPostProcessor
websocketServletWebServerCustomizer
welcomePageHandlerMapping
The list of Beans provided by Spring Boot must be shown.
- Check if the web service is returning the expected value executing the command
curl localhost:8080
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ curl localhost:8080
Greetings from Spring Boot!
- Create a new Docker Image and execute it
- Add a new
Dockerfile
# Start with a base image containing Java runtime and Maven
FROM maven:3.6.0-jdk-12-alpine
WORKDIR /app
COPY ./ ./
RUN mvn package
# Run the jar file
ENTRYPOINT ["java","-jar","target/server-0.0.1-SNAPSHOT.jar"]
- Create the Docker image with the
docker build .command
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ docker build .
Sending build context to Docker daemon 93.7kB
Step 1/5 : FROM maven:3.6.0-jdk-12-alpine
---> 02ec89615eb9
Step 2/5 : WORKDIR /app
---> Using cache
---> aae2277a68c3
Step 3/5 : COPY ./ ./
---> Using cache
---> 12614eacd148
Step 4/5 : RUN mvn package
---> Using cache
---> 53f06acd6bb2
Step 5/5 : ENTRYPOINT ["java","-jar","target/server-0.0.1-SNAPSHOT.jar"]
---> Using cache
---> 61b12028d995
Successfully built 61b12028d995
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
- Ensure it is working running the
docker run -p 8080:8080 61b12028d995command
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ docker run -p 8080:8080 61b12028d995
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.0.RELEASE)
2018-11-16 19:27:44.600 INFO 1 --- [ main] com.peelmicro.server.DemoApplication : Starting DemoApplication v0.0.1-SNAPSHOT on e16df18ad87a with PID 1 (/app/target/server-0.0.1-SNAPSHOT.jar started by root in /app)
2018-11-16 19:27:44.607 INFO 1 --- [ main] com.peelmicro.server.DemoApplication : No active profile set, falling back to default profiles: default
2018-11-16 19:27:47.038 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2018-11-16 19:27:47.116 INFO 1 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2018-11-16 19:27:47.117 INFO 1 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/9.0.12
2018-11-16 19:27:47.139 INFO 1 --- [ main] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/opt/openjdk-12/lib/server:/opt/openjdk-12/lib:/opt/openjdk-12/../lib:/usr/java/packages/lib:/usr/lib64:/lib64:/lib:/usr/lib]
2018-11-16 19:27:47.302 INFO 1 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2018-11-16 19:27:47.302 INFO 1 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 2574 ms
2018-11-16 19:27:47.365 INFO 1 --- [ main] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2018-11-16 19:27:47.371 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-11-16 19:27:47.372 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-11-16 19:27:47.372 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'formContentFilter' to: [/*]
2018-11-16 19:27:47.373 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-11-16 19:27:47.670 INFO 1 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2018-11-16 19:27:48.166 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2018-11-16 19:27:48.171 INFO 1 --- [ main] com.peelmicro.server.DemoApplication : Started DemoApplication in 4.842 seconds (JVM running for 5.529)
Let's inspect the beans provided by Spring Boot:
applicationTaskExecutor
basicErrorController
beanNameHandlerMapping
beanNameViewResolver
characterEncodingFilter
commandLineRunner
conventionErrorViewResolver
defaultServletHandlerMapping
defaultValidator
defaultViewResolver
demoApplication
demoController
dispatcherServlet
dispatcherServletRegistration
error
errorAttributes
errorPageCustomizer
errorPageRegistrarBeanPostProcessor
faviconHandlerMapping
faviconRequestHandler
formContentFilter
handlerExceptionResolver
hiddenHttpMethodFilter
httpRequestHandlerAdapter
jacksonCodecCustomizer
jacksonObjectMapper
jacksonObjectMapperBuilder
jsonComponentModule
localeCharsetMappingsCustomizer
loggingCodecCustomizer
mappingJackson2HttpMessageConverter
mbeanExporter
mbeanServer
messageConverters
methodValidationPostProcessor
multipartConfigElement
multipartResolver
mvcContentNegotiationManager
mvcConversionService
mvcHandlerMappingIntrospector
mvcPathMatcher
mvcResourceUrlProvider
mvcUriComponentsContributor
mvcUrlPathHelper
mvcValidator
mvcViewResolver
objectNamingStrategy
org.springframework.boot.autoconfigure.AutoConfigurationPackages
org.springframework.boot.autoconfigure.condition.BeanTypeRegistry
org.springframework.boot.autoconfigure.context.ConfigurationPropertiesAutoConfiguration
org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration
org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration
org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration$StringHttpMessageConverterConfiguration
org.springframework.boot.autoconfigure.http.JacksonHttpMessageConvertersConfiguration
org.springframework.boot.autoconfigure.http.JacksonHttpMessageConvertersConfiguration$MappingJackson2HttpMessageConverterConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration$JacksonCodecConfiguration
org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration$LoggingCodecConfiguration
org.springframework.boot.autoconfigure.info.ProjectInfoAutoConfiguration
org.springframework.boot.autoconfigure.internalCachingMetadataReaderFactory
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$Jackson2ObjectMapperBuilderCustomizerConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$JacksonObjectMapperBuilderConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$JacksonObjectMapperConfiguration
org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration$ParameterNamesModuleConfiguration
org.springframework.boot.autoconfigure.jmx.JmxAutoConfiguration
org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration
org.springframework.boot.autoconfigure.task.TaskSchedulingAutoConfiguration
org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration
org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration
org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration
org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration$TomcatWebServerFactoryCustomizerConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration$DispatcherServletConfiguration
org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration$DispatcherServletRegistrationConfiguration
org.springframework.boot.autoconfigure.web.servlet.HttpEncodingAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.MultipartAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryConfiguration$EmbeddedTomcat
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter
org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter$FaviconConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration$DefaultErrorViewResolverConfiguration
org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration
org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration
org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration$TomcatWebSocketConfiguration
org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata
org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor
org.springframework.context.annotation.internalAutowiredAnnotationProcessor
org.springframework.context.annotation.internalCommonAnnotationProcessor
org.springframework.context.annotation.internalConfigurationAnnotationProcessor
org.springframework.context.event.internalEventListenerFactory
org.springframework.context.event.internalEventListenerProcessor
parameterNamesModule
preserveErrorControllerTargetClassPostProcessor
propertySourcesPlaceholderConfigurer
requestContextFilter
requestMappingHandlerAdapter
requestMappingHandlerMapping
resourceHandlerMapping
restTemplateBuilder
server-org.springframework.boot.autoconfigure.web.ServerProperties
servletWebServerFactoryCustomizer
simpleControllerHandlerAdapter
spring.http-org.springframework.boot.autoconfigure.http.HttpProperties
spring.info-org.springframework.boot.autoconfigure.info.ProjectInfoProperties
spring.jackson-org.springframework.boot.autoconfigure.jackson.JacksonProperties
spring.mvc-org.springframework.boot.autoconfigure.web.servlet.WebMvcProperties
spring.resources-org.springframework.boot.autoconfigure.web.ResourceProperties
spring.servlet.multipart-org.springframework.boot.autoconfigure.web.servlet.MultipartProperties
spring.task.execution-org.springframework.boot.autoconfigure.task.TaskExecutionProperties
spring.task.scheduling-org.springframework.boot.autoconfigure.task.TaskSchedulingProperties
standardJacksonObjectMapperBuilderCustomizer
stringHttpMessageConverter
taskExecutorBuilder
taskSchedulerBuilder
tomcatServletWebServerFactory
tomcatServletWebServerFactoryCustomizer
tomcatWebServerFactoryCustomizer
viewControllerHandlerMapping
viewResolver
webServerFactoryCustomizerBeanPostProcessor
websocketServletWebServerCustomizer
welcomePageHandlerMapping
- Ensure the container is running executing the
docker pscommand
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e16df18ad87a 61b12028d995 "java -jar target/se…" 3 minutes ago Up 3 minutes 0.0.0.0:8080->8080/tcp determined_saha
- Ensure the web is running correctly executing the
curl localhost:8080command on another terminal
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ curl localhost:8080
Greetings from Spring Boot!
- Modify the application to make it work as expected (like the NodeJs original version)
Remove old files not needed anymore The
DemoApplication.javaandDemoController.javamust be removed.Add the following new files:
application.properties
## Spring DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
spring.datasource.url= jdbc:postgresql://${PGHOST}:${PGPORT}/${PGDATABASE}
spring.datasource.username= ${PGUSER}
spring.datasource.password= ${PGPASSWORD}
## To force the schema.sql to run
spring.datasource.initialization-mode=always
# The SQL dialect makes Hibernate generate better SQL for the chosen database
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.PostgreSQLDialect
# Hibernate ddl auto (none, create, create-drop, validate, update)
spring.jpa.hibernate.ddl-auto = none
# Define a different port from the standard 8080
server.port = 5000
schema.sql
It is always executed when the application starts
CREATE TABLE IF NOT EXISTS values (
id SERIAL PRIMARY KEY,
number INT
);
ServerApplication.java
It's the first Java class that it's executed.
package com.peelmicro.server;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class ServerApplication {
public static void main(String[] args) {
SpringApplication.run(ServerApplication.class, args);
}
}
Value.java
Model class used to manage the Values Postgres table.
package com.peelmicro.server.models;
import com.fasterxml.jackson.annotation.JsonIgnore;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "values")
public class Value {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@JsonIgnore
private int id;
private int number;
public Value() { }
public Value(int number) {
this.number = number;
}
public int getNumber() {
return number;
}
public void setNumber(int number) {
this.number = number;
}
}
ValuesRepository.java
It inherits from Spring JPA to manage the CRUD operation on the Values Postgres table.
package com.peelmicro.server.repositories;
import com.peelmicro.server.models.Value;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface ValuesRepository extends JpaRepository<Value, Integer> {
}
RedisService.java
It's used to manage the access to the Redis cache database
package com.peelmicro.server.services;
import org.springframework.stereotype.Service;
import redis.clients.jedis.Jedis;
@Service
public class RedisService {
String redisHost;
String redisPort;
private RedisService() {
redisHost = System.getenv("REDIS_HOST");
redisPort = System.getenv("REDIS_PORT");
}
public Jedis getJedis() {
return new Jedis(redisHost, Integer.parseInt(redisPort));
}
}
ValuesController.java
It's used to manage the Values API
package com.peelmicro.server.controllers;
import org.springframework.web.bind.annotation.RestController;
import redis.clients.jedis.Jedis;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.peelmicro.server.repositories.ValuesRepository;
import com.peelmicro.server.services.RedisService;
import com.peelmicro.server.models.Value;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
@RestController
@RequestMapping("/values")
public class ValuesController {
@Autowired
private ValuesRepository valuesRepository;
@Autowired
private RedisService redisService;
private final String setKey = "values";
@RequestMapping()
public String index() {
return "Hi";
}
@RequestMapping(value = "/current")
public Map<String,String> getCurrent()
{
Map<String,String> result = new HashMap<String,String>();
Jedis jedis = redisService.getJedis();
Set<String> items = jedis.smembers(setKey);
for (String item: items) {
String value = jedis.get(item);
String key = item.replace(setKey, "");
result.put(key, value);
}
jedis.close();
return result;
}
@RequestMapping(value = "/all")
public List<Value> getAll()
{
return valuesRepository.findAll();
}
@PostMapping()
public ResponseEntity<HashMap<String, Object>> post(@RequestBody HashMap<String, Object> request) {
HashMap<String, Object> response = new HashMap<>();
Boolean validIndex = true;
String index = "";
Integer number = 0;
if (!request.containsKey("index") ) {
validIndex = false;
}
if (validIndex) {
index = request.get("index").toString();
try
{
number = Integer.parseInt(index);
}
catch(NumberFormatException nfe)
{
validIndex = false;
}
}
if (!validIndex) {
response.put("working", false);
response.put("message", "Invalid Index!");
return new ResponseEntity<HashMap<String, Object>>(response, HttpStatus.UNPROCESSABLE_ENTITY);
}
Value value = new Value(number);
valuesRepository.save(value);
String redisKey = setKey + index;
Jedis jedis = redisService.getJedis();
jedis.set(redisKey, "Nothing yet!");
jedis.sadd(setKey, redisKey);
jedis.publish("message", index);
jedis.close();
response.put("working", true);
return new ResponseEntity<HashMap<String, Object>>(response, HttpStatus.OK);
}
}
ResourceNotFoundException.java
It's used to manage when the URL is not found.
package com.peelmicro.server.exceptions;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;
@ResponseStatus(HttpStatus.NOT_FOUND)
public class ResourceNotFoundException extends RuntimeException {
private static final long serialVersionUID = 1L;
public ResourceNotFoundException(String message) {
super(message);
}
public ResourceNotFoundException(String message, Throwable cause) {
super(message, cause);
}
}
- Modify the 'Dockerfile' document to avoid running the tests. Otherwise the build will fail because the initial connection to Postgres cannnot be executed.
# Start with a base image containing Java runtime and Maven
FROM maven:3.6.0-jdk-12-alpine
WORKDIR /app
COPY ./ ./
RUN mvn install -DskipTests
# Run the jar file
ENTRYPOINT ["java","-jar","target/server-0.0.1-SNAPSHOT.jar"]
- Test if the
docker imagecan be built with success
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/serverDocker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ docker build .
Sending build context to Docker daemon 109.6kB
Step 1/5 : FROM maven:3.6.0-jdk-12-alpine
---> 02ec89615eb9
Step 2/5 : WORKDIR /app
---> Using cache
---> aae2277a68c3
Step 3/5 : COPY ./ ./
---> 68ec97235e9a
Step 4/5 : RUN mvn install -DskipTests
---> Running in 9439a89dd0cf
[INFO] Scanning for projects...
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-starter-parent/2.1.0.RELEASE/spring-boot-starter-parent-2.1.0.RELEASE.pom
Downloaded from central:
.
.
.
[INFO] Installing /app/target/server-0.0.1-SNAPSHOT.jar to /root/.m2/repository/com/peelmicro/server/0.0.1-SNAPSHOT/server-0.0.1-SNAPSHOT.jar
[INFO] Installing /app/pom.xml to /root/.m2/repository/com/peelmicro/server/0.0.1-SNAPSHOT/server-0.0.1-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:18 min
[INFO] Finished at: 2018-11-18T10:27:27Z
[INFO] ------------------------------------------------------------------------
Removing intermediate container 136a04e748a2
---> 66706f5db013
Step 5/5 : ENTRYPOINT ["java","-jar","target/server-0.0.1-SNAPSHOT.jar"]
---> Running in 618d1117835e
Removing intermediate container 618d1117835e
---> bd127e94467f
Successfully built bd127e94467f
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
- Execute the docker image to ensure that only errors related to the connection with Postgres are shown.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/server
$ docker run bd127e94467f
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.0.RELEASE)
2018-11-18 10:29:58.004 INFO 1 --- [ main] com.peelmicro.server.ServerApplication : Starting ServerApplication v0.0.1-SNAPSHOT on 03df85594f02 with PID 1 (/app/target/server-0.0.1-SNAPSHOT.jar started by root in /app)
2018-11-18 10:29:58.020 INFO 1 --- [ main] com.peelmicro.server.ServerApplication : No active profile set, falling back to default profiles: default
2018-11-18 10:30:02.212 INFO 1 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2018-11-18 10:30:02.712 INFO 1 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 449ms. Found 1 repository interfaces.
2018-11-18 10:30:04.744 INFO 1 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$cc5ab7a1] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2018-11-18 10:30:06.969 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 5000 (http)
2018-11-18 10:30:07.069 INFO 1 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2018-11-18 10:30:07.069 INFO 1 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/9.0.12
2018-11-18 10:30:07.121 INFO 1 --- [ main] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/opt/openjdk-12/lib/server:/opt/openjdk-12/lib:/opt/openjdk-12/../lib:/usr/java/packages/lib:/usr/lib64:/lib64:/lib:/usr/lib]
2018-11-18 10:30:07.624 INFO 1 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2018-11-18 10:30:07.636 INFO 1 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 9322 ms
2018-11-18 10:30:07.814 INFO 1 --- [ main] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2018-11-18 10:30:07.844 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-11-18 10:30:07.845 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-11-18 10:30:07.845 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'formContentFilter' to: [/*]
2018-11-18 10:30:07.846 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-11-18 10:30:08.336 INFO 1 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2018-11-18 10:30:08.377 WARN 1 --- [ main] org.postgresql.Driver : JDBC URL invalid port number: ${PGPORT}
2018-11-18 10:30:08.378 WARN 1 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure.jdbc.DataSourceInitializerInvoker': Invocation of init method failed; nested exception is org.springframework.jdbc.datasource.init.UncategorizedScriptException: Failed to execute database script; nested exception is java.lang.RuntimeException: Driver org.postgresql.Driver claims
to not accept jdbcUrl, jdbc:postgresql://${PGHOST}:${PGPORT}/${PGDATABASE}
2018-11-18 10:30:08.398 INFO 1 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.catalina.loader.WebappClassLoaderBase (jar:file:/app/target/server-0.0.1-SNAPSHOT.jar!/BOOT-INF/lib/tomcat-embed-core-9.0.12.jar!/) to field java.io.ObjectStreamClass$Caches.localDescs
WARNING: Please consider reporting this to the maintainers of org.apache.catalina.loader.WebappClassLoaderBase
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2018-11-18 10:30:08.483 INFO 1 --- [ main] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-11-18 10:30:08.514 ERROR 1 --- [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure.jdbc.DataSourceInitializerInvoker': Invocation of init method failed; nested exception is org.springframework.jdbc.datasource.init.UncategorizedScriptException: Failed to execute database script; nested exception is java.lang.RuntimeException: Driver org.postgresql.Driver claims to not accept jdbcUrl, jdbc:postgresql://${PGHOST}:${PGPORT}/${PGDATABASE}
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:767) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:218) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1308) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1154) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:391) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1288) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1127) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1083) ~[spring-context-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:853) ~[spring-context-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546) ~[spring-context-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) ~[spring-boot-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) ~[spring-boot-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) ~[spring-boot-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) ~[spring-boot-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at com.peelmicro.server.ServerApplication.main(ServerApplication.java:11) ~[classes!/:0.0.1-SNAPSHOT]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[server-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[server-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) ~[server-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51) ~[server-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure.jdbc.DataSourceInitializerInvoker': Invocation of init method failed; nested exception is org.springframework.jdbc.datasource.init.UncategorizedScriptException: Failed to execute database script; nested exception is java.lang.RuntimeException: Driver org.postgresql.Driver claims to not accept jdbcUrl, jdbc:postgresql://${PGHOST}:${PGPORT}/${PGDATABASE}
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:584) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:273) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1239) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1166) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:855) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:758) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
... 36 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure.jdbc.DataSourceInitializerInvoker': Invocation
of init method failed; nested exception is org.springframework.jdbc.datasource.init.UncategorizedScriptException: Failed to execute database script; nested exception is java.lang.RuntimeException: Driver org.postgresql.Driver claims to not accept jdbcUrl, jdbc:postgresql://${PGHOST}:${PGPORT}/${PGDATABASE}
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1745) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:576) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:224) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveNamedBean(DefaultListableBeanFactory.java:1114) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveBean(DefaultListableBeanFactory.java:407) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:341) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:335) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceInitializerPostProcessor.postProcessAfterInitialization(DataSourceInitializerPostProcessor.java:55) ~[spring-boot-autoconfigure-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:434) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1749) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:576) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
... 46 common frames omitted
Caused by: org.springframework.jdbc.datasource.init.UncategorizedScriptException: Failed to execute database script; nested exception is java.lang.RuntimeException: Driver org.postgresql.Driver claims to not accept jdbcUrl, jdbc:postgresql://${PGHOST}:${PGPORT}/${PGDATABASE}
at org.springframework.jdbc.datasource.init.DatabasePopulatorUtils.execute(DatabasePopulatorUtils.java:58) ~[spring-jdbc-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceInitializer.runScripts(DataSourceInitializer.java:210) ~[spring-boot-autoconfigure-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceInitializer.createSchema(DataSourceInitializer.java:104) ~[spring-boot-autoconfigure-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceInitializerInvoker.afterPropertiesSet(DataSourceInitializerInvoker.java:64) ~[spring-boot-autoconfigure-2.1.0.RELEASE.jar!/:2.1.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1741) ~[spring-beans-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
... 60 common frames omitted
Caused by: java.lang.RuntimeException: Driver org.postgresql.Driver claims to not accept jdbcUrl, jdbc:postgresql://${PGHOST}:${PGPORT}/${PGDATABASE}
at com.zaxxer.hikari.util.DriverDataSource.<init>(DriverDataSource.java:108) ~[HikariCP-3.2.0.jar!/:na]
at com.zaxxer.hikari.pool.PoolBase.initializeDataSource(PoolBase.java:336) ~[HikariCP-3.2.0.jar!/:na]
at com.zaxxer.hikari.pool.PoolBase.<init>(PoolBase.java:109) ~[HikariCP-3.2.0.jar!/:na]
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:108) ~[HikariCP-3.2.0.jar!/:na]
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) ~[HikariCP-3.2.0.jar!/:na]
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:151) ~[spring-jdbc-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115) ~[spring-jdbc-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78) ~[spring-jdbc-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
at org.springframework.jdbc.datasource.init.DatabasePopulatorUtils.execute(DatabasePopulatorUtils.java:46) ~[spring-jdbc-5.1.2.RELEASE.jar!/:5.1.2.RELEASE]
... 65 common frames omitted
Create the worker application using the mvn command
- Open the main java-complex folder from Visual Studio Code
- Go to Terminal with [CTRL-@]
- Execute the following command to create the project
mvn archetype:generate -DgroupId=com.peelmicro -DartifactId=worker -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex$ mvn archetype:generate -DgroupId=com.peelmicro -Dartif
actId=worker -DarchetypeArtifactId=maven-archetype-quick
start -DinteractiveMode=false
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------< org.apache.maven:standalone-pom >-------------------
[INFO] Building Maven Stub Project (No POM) 1[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] >>> maven-archetype-plugin:3.0.1:generate (default-cli) > generate-sources @ standalone-pom >>>[INFO]
[INFO] <<< maven-archetype-plugin:3.0.1:generate (default-cli) < generate-sources @ standalone-pom <<<
[INFO][INFO]
[INFO] --- maven-archetype-plugin:3.0.1:generate (default-cli) @ standalone-pom ---
[INFO] Generating project in Batch mode[INFO] ----------------------------------------------------------------------------
[INFO] Using following parameters for creating project from Old (1.x) Archetype: maven-archetype-quickstart:1.0
[INFO] ----------------------------------------------------------------------------
[INFO] Parameter: basedir, Value: C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex[INFO] Parameter: package, Value: com.peelmicro
[INFO] Parameter: groupId, Value: com.peelmicro
[INFO] Parameter: artifactId, Value: worker
[INFO] Parameter: packageName, Value: com.peelmicro
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] project created from Old (1.x) Archetype in dir: C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7.492 s
[INFO] Finished at: 2018-11-13T18:35:50Z
[INFO] ------------------------------------------------------------------------
- Review the App.java class generated
package com.peelmicro;
/**
* Hello world!
*
*/
public class App
{
public static void main( String[] args )
{
System.out.println( "Hello World!" );
}
}
- Execute the following command to generate the class:
mvn install
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex
$ cd worker
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/worker
$ mvn install
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------< com.peelmicro:worker >------------------------
[INFO] Building worker 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ worker ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker\src\main\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ worker ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[INFO] Compiling 1 source file to C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker\target\classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ worker ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ worker ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[INFO] Compiling 1 source file to C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker\target\test-classes
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ worker ---
[INFO] Surefire report directory: C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker\target\surefire-reports
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running com.peelmicro.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO]
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ worker ---
[INFO] Building jar: C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker\target\worker-1.0-SNAPSHOT.jar
[INFO]
[INFO] --- maven-install-plugin:2.4:install (default-install) @ worker ---
[INFO] Installing C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker\target\worker-1.0-SNAPSHOT.jar to C:\Users\juan.pablo.perez\.m2\repository\com\peelmicro\worker\1.0-SNAPSHOT\worker-1.0-SNAPSHOT.jar
[INFO] Installing C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex\worker\pom.xml to C:\Users\juan.pablo.perez\.m2\repository\com\peelmicro\worker\1.0-SNAPSHOT\worker-1.0-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 5.775 s
[INFO] Finished at: 2018-11-13T18:39:16Z
[INFO] ------------------------------------------------------------------------
- Ensure
App.classhas been generated ontarget/classes/com/peelmicro/App.classandworker-1.0.SNAPSHOT.jaron target
- Test if the java jar file is executed correctly with the following command:
java -cp target/worker-1.0-SNAPSHOT.jar com.peelmicro.App
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/worker
$ java -cp target/worker-1.0-SNAPSHOT.jar com.peelmicro.App
Hello World!
- Create the Dockerfile
# Start with a base image containing Java runtime
FROM openjdk:8-jdk-alpine
# The application's jar file
ARG JAR_FILE=target/worker-1.0-SNAPSHOT.jar
# Add the application's jar to the container
ADD ${JAR_FILE} worker.jar
# Run the jar file
ENTRYPOINT ["java","-cp","worker.jar","com.peelmicro.App"]
- Execute the following command to create the Docker image
docker build .
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/worker
$ docker build .
Sending build context to Docker daemon 38.4kB
Step 1/4 : FROM openjdk:8-jdk-alpine
---> 97bc1352afde
Step 2/4 : ARG JAR_FILE=target/worker-1.0-SNAPSHOT.jar
---> Using cache
---> e958f107c69e
Step 3/4 : ADD ${JAR_FILE} worker.jar
---> Using cache
---> 51232f2eee07
Step 4/4 : ENTRYPOINT ["java","-cp","worker.jar","com.peelmicro.App"]
---> Running in ae34b184f936
Removing intermediate container ae34b184f936
---> 8bf625e9f2a4
Successfully built 8bf625e9f2a4
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
- Execute the Docker Image to ensure it is working with the following command.
docker run 8bf625e9f2a4
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/worker
$ docker run 8bf625e9f2a4
Hello World!
- Modify the pom.xml file to:
Original file
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.peelmicro</groupId>
<artifactId>worker</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>worker</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
Allow to use another Java version
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
Allow to generate a jar document that includes all the dependencies
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>com.your.package.MainClass</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-my-jar-with-dependencies</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
Include the jedis dependency to be able to use Redis
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
Final version
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.peelmicro</groupId>
<artifactId>worker</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>worker</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>com.your.package.MainClass</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-my-jar-with-dependencies</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
- Modify the
App.javaclass to include the use of Redis with a subscriber
package com.peelmicro;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPubSub;
public class App
{
public static void main( String[] args )
{
String redisHost = System.getenv("REDIS_HOST");
String redisPort = System.getenv("REDIS_PORT");
try {
Jedis jedis = new Jedis(redisHost, Integer.parseInt(redisPort));
jedis.subscribe(new JedisPubSub() {
@Override
public void onMessage(String channel, String message) {
jedis.hset("values", message, fib(Integer.parseInt(message)).toString());
}
}, "message");
jedis.quit();
jedis.close();
} catch (Exception e) {
e.printStackTrace();
}
}
protected static Integer fib(int index) {
if (index < 2) return 1;
return fib(index - 1) + fib(index - 2);
}
}
- Modify the
Dockerfiledocument to run maven inside the image
# Start with a base image containing Java runtime and Maven
FROM maven:3.6.0-jdk-12-alpine
WORKDIR /app
COPY ./ ./
RUN mvn package
# Run the jar file
ENTRYPOINT ["java","-cp","target/worker-1.0-SNAPSHOT-jar-with-dependencies.jar","com.peelmicro.App"]
- Test if the
docker imagecan be built with success
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/worker
$ docker build .
Sending build context to Docker daemon 57.34kB
Step 1/7 : FROM maven:3.6.0-jdk-12-alpine
---> 02ec89615eb9
Step 2/7 : WORKDIR /app
---> Using cache
---> aae2277a68c3
Step 3/7 : COPY ./ ./
---> 350c5b9fe8f8
Step 4/7 : RUN mvn package
---> Running in 6118c84e2408
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------< com.peelmicro:worker >------------------------
[INFO] Building worker 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
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[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ worker ---
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[INFO] Surefire report directory: /app/target/surefire-reports
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-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running com.peelmicro.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.09 sec
Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO]
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[INFO] Building jar: /app/target/worker-1.0-SNAPSHOT.jar
[INFO]
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[INFO] META-INF/ already added, skipping
[INFO] META-INF/MANIFEST.MF already added, skipping
[INFO] META-INF/maven/ already added, skipping
[INFO] Building jar: /app/target/worker-1.0-SNAPSHOT-jar-with-dependencies.jar
[INFO] META-INF/ already added, skipping
[INFO] META-INF/MANIFEST.MF already added, skipping
[INFO] META-INF/maven/ already added, skipping
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 38.377 s
[INFO] Finished at: 2018-11-15T17:27:02Z
[INFO] ------------------------------------------------------------------------
Removing intermediate container 6118c84e2408
---> cb4a71dc713f
Step 5/7 : ENV REDIS_HOST=localhost
---> Running in 8ee77a18a78b
Removing intermediate container 8ee77a18a78b
---> 8dceb95dd2df
Step 6/7 : ENV REDIS_PORT=6379
---> Running in e6961df05b8d
Removing intermediate container e6961df05b8d
---> 39ada33adc04
Step 7/7 : ENTRYPOINT ["java","-cp","target/worker-1.0-SNAPSHOT-jar-with-dependencies.jar","com.peelmicro.App"]
---> Running in bc44bef12d6c
Removing intermediate container bc44bef12d6c
---> a8b03c0ee75e
Successfully built a8b03c0ee75e
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
- Execute the docker image to ensure that only errors related to the connection with Redis are shown.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/worker
$ docker run a8b03c0ee75e
redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused (Connection refused)
at redis.clients.jedis.Connection.connect(Connection.java:207)
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:93)
at redis.clients.jedis.Connection.setTimeoutInfinite(Connection.java:94)
at redis.clients.jedis.Jedis.subscribe(Jedis.java:2678)
at com.peelmicro.App.main(App.java:13)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399)
at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242)
at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224)
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403)
at java.base/java.net.Socket.connect(Socket.java:591)
at redis.clients.jedis.Connection.connect(Connection.java:184)
... 4 more
- Modify the 'Dockerfile' document to avoid running the tests. Otherwise the build will fail because the initial connection to Postgres cannnot be executed.
# Start with a base image containing Java runtime and Maven
FROM maven:3.6.0-jdk-12-alpine
WORKDIR /app
COPY ./ ./
RUN mvn install -DskipTests
# Run the jar file
ENTRYPOINT ["java","-cp","target/worker-1.0-SNAPSHOT-jar-with-dependencies.jar","com.peelmicro.App"]
- Test if the
docker imagecan be built with success
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ cd worker
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/worker (master)
$ docker build .
Sending build context to Docker daemon 57.86kB
Step 1/5 : FROM maven:3.6.0-jdk-12-alpine
---> 02ec89615eb9
Step 2/5 : WORKDIR /app
---> Using cache
---> aae2277a68c3
Step 3/5 : COPY ./ ./
---> 9da12cd53b0f
Step 4/5 : RUN mvn install -DskipTests
---> Running in 6a25961e72fd
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------< com.peelmicro:worker >------------------------
[INFO] Installing /app/target/worker-1.0-SNAPSHOT-jar-with-dependencies.jar to /root/.m2/repository/com/peelmicro/worker/1.0-SNAPSHOT/worker-1.0-SNAPSHOT-jar-with-dependencies.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:10 min
[INFO] Finished at: 2018-11-18T11:40:34Z
[INFO] ------------------------------------------------------------------------
Removing intermediate container 6a25961e72fd
---> f6a6c6514cae
Step 5/5 : ENTRYPOINT ["java","-cp","target/worker-1.0-SNAPSHOT-jar-with-dependencies.jar","com.peelmicro.App"]
---> Running in bd895b13377b
Removing intermediate container bd895b13377b
---> 62ff969612e3
Successfully built 62ff969612e3
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
Complete the solution copying the client and nginx projects from the original NodeJS solution and the Docker Compose file
- Copy the client and nginx projects from the original NodeJS solution without changing anything
- Ensure the Docker image for the
clientproject can be created with success
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ cd client
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/client (master)
$ docker build .
Sending build context to Docker daemon 341kB
Step 1/10 : FROM node:alpine as builder
---> 5d526f8ba00b
Step 2/10 : WORKDIR /app
---> Using cache
---> e7ae20d6064b
Step 3/10 : COPY ./package.json ./
---> e9e045ae0002
Step 4/10 : RUN npm install
---> Running in 42d9dbe29c80
npm WARN deprecated circular-json@0.3.3: CircularJSON is in maintenance only, flatted is its successor.
npm WARN deprecated kleur@2.0.2: Please upgrade to kleur@3 or migrate to 'ansi-colors' if you prefer the old syntax. Visit <https://github.com/lukeed/kleur/releases/tag/v3.0.0\> for migration path(s).
npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
added 1687 packages from 666 contributors and audited 35695 packages in 70.936s
found 0 vulnerabilities
Removing intermediate container 42d9dbe29c80
---> e7721626a2f1
Step 5/10 : COPY . .
---> d94d8c95cf0c
Step 6/10 : RUN npm run build
---> Running in 66b8fcff0f46
> client@0.1.0 build /app
> react-scripts build
Creating an optimized production build...
Compiled successfully.
File sizes after gzip:
47.2 KB build/static/js/1.7b85cb19.chunk.js
1.37 KB build/static/js/main.33dd28be.chunk.js
763 B build/static/js/runtime~main.229c360f.js
510 B build/static/css/main.0b4a1755.chunk.css
The project was built assuming it is hosted at the server root.
You can control this with the homepage field in your package.json.
For example, add this to build it for GitHub Pages:
"homepage" : "http://myname.github.io/myapp",
The build folder is ready to be deployed.
You may serve it with a static server:
yarn global add serve
serve -s build
Find out more about deployment here:
http://bit.ly/CRA-deploy
Removing intermediate container 66b8fcff0f46
---> bcbbbdd9f01b
Step 7/10 : FROM nginx
---> dbfc48660aeb
Step 8/10 : EXPOSE 3000
---> Running in e4f25deb69c6
Removing intermediate container e4f25deb69c6
---> 7a31af104837
Step 9/10 : COPY ./nginx/default.conf /etc/nginx/conf.d/default.conf
---> 047878a3c885
Step 10/10 : COPY --from=builder /app/build /usr/share/nginx/html
---> e24d073bd670
Successfully built e24d073bd670
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
- Ensure the Docker image for the
nginxproject can be created with success
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/nginx (master)
$ docker build .
Sending build context to Docker daemon 4.096kB
Step 1/2 : FROM nginx
---> dbfc48660aeb
Step 2/2 : COPY ./default.conf /etc/nginx/conf.d/default.conf
---> be138f1b133d
Successfully built be138f1b133d
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
- Initialize git repository executing the
git initcommand
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex$ git init
Initialized empty Git repository in C:/Users/juan.pablo.perez/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/.git/
- Copy the 'docker-compose.yml' file from the NodeJs solution, modify it and execute it
version: '3'
services:
postgres:
image: 'postgres:latest'
redis:
image: 'redis:latest'
nginx:
restart: always
build:
dockerfile: Dockerfile.dev
context: ./nginx
ports:
- '3050:80'
api:
build:
dockerfile: Dockerfile
context: ./server
environment:
- REDIS_HOST=redis
- REDIS_PORT=6379
- PGUSER=postgres
- PGHOST=postgres
- PGDATABASE=postgres
- PGPASSWORD=postgres_password
- PGPORT=5432
client:
build:
dockerfile: Dockerfile.dev
context: ./client
volumes:
- /app/node_modules
- ./client:/app
worker:
build:
dockerfile: Dockerfile
context: ./worker
environment:
- REDIS_HOST=redis
- REDIS_PORT=6379
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ docker-compose up
Creating network "java-complex_default" with the default driver
Building nginx
Step 1/2 : FROM nginx
---> dbfc48660aeb
Step 2/2 : COPY ./default.conf /etc/nginx/conf.d/default.conf
.
.
.
Successfully tagged java-complex_worker:latest
WARNING: Image for service worker was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`.
Creating java-complex_api_1 ...
Creating java-complex_nginx_1 ... error
Creating java-complex_worker_1 ...
Creating java-complex_api_1 ... done
Creating java-complex_redis_1 ...
Creating java-complex_worker_1 ... done
Creating java-complex_postgres_1 ... done
Creating java-complex_redis_1 ... doneCreating java-complex_client_1 ... done
ERROR: for nginx Cannot start service nginx: driver failed programming external connectivity on endpoint java-complex_nginx_1 (37586b03e56b1f33c4ab238c5fab607aafd405630a23044326f9f507fb277866): Error starting userland proxy: mkdir /port/tcp:0.0.0.0:3050:tcp:172.18.0.2:80: input/output error
ERROR: Encountered errors while bringing up the project.
If an error similar to the previous one happens, restart Docker and try again.
If the error persists, remove all the docker images because the nginx one from the other solutions could be affecting
If an error like "java docker Method org.postgresql.jdbc.PgConnection.createClob() is not yet implemented." happens modify the application.properties document from the server project
application.properties
## Spring DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
spring.datasource.url=jdbc:postgresql://${PGHOST}:${PGPORT}/${PGDATABASE}
spring.datasource.username= ${PGUSER}
spring.datasource.password= ${PGPASSWORD}
## To force the schema.sql to run
spring.datasource.initialization-mode=always
# The SQL dialect makes Hibernate generate better SQL for the chosen database
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.PostgreSQLDialect
# The following two lines is to avoid the Spring Boot + JPA (Hibernate) + Atomikos + PostgreSQL = exception!
# https://vkuzel.com/spring-boot-jpa-hibernate-atomikos-postgresql-exception
# Disable feature detection by this undocumented parameter. Check the org.hibernate.engine.jdbc.internal.JdbcServiceImpl.configure method for more details.
spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults = false
# Because detection is disabled you have to set correct dialect by hand.
spring.jpa.database-platform=org.hibernate.dialect.PostgreSQL9Dialect
# Hibernate ddl auto (none, create, create-drop, validate, update)
spring.jpa.hibernate.ddl-auto = none
# Define a different port from the standard 8080
server.port = 5000
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ docker-compose up --build
Building nginx
Step 1/2 : FROM nginx
---> e81eb098537d
Step 2/2 : COPY ./default.conf /etc/nginx/conf.d/default.conf
---> Using cache
---> a94da78131c1
Successfully built a94da78131c1
Successfully tagged java-complex_nginx:latest
Building api
Step 1/5 : FROM maven:3.6.0-jdk-12-alpine
---> 02ec89615eb9
Step 2/5 : WORKDIR /app
---> Using cache
---> 13ca89432976
Step 3/5 : COPY ./ ./
---> Using cache
---> 674973a454cc
Step 4/5 : RUN mvn install -DskipTests
---> Using cache
---> 9e2d24bd3583
Step 5/5 : ENTRYPOINT ["java","-jar","target/server-0.0.1-SNAPSHOT.jar"]
---> Using cache
---> 4b31594ba6db
Successfully built 4b31594ba6db
Successfully tagged java-complex_api:latest
Building client
Step 1/6 : FROM node:alpine
---> 4b3c025f5508
Step 2/6 : WORKDIR /app
---> Using cache
---> 1a05d05e0b5b
Step 3/6 : COPY package.json .
---> Using cache
---> 15dd7c6bc9bd
Step 4/6 : RUN npm install
---> Using cache
---> 810576e9d194
Step 5/6 : COPY . .
---> Using cache
---> 790f18165745
Step 6/6 : CMD ["npm", "run", "start"]
---> Using cache
---> 8e4ccbf7eea8
Successfully built 8e4ccbf7eea8
Successfully tagged java-complex_client:latest
Building worker
Step 1/5 : FROM maven:3.6.0-jdk-12-alpine
---> 02ec89615eb9
Step 2/5 : WORKDIR /app
---> Using cache
---> 13ca89432976
Step 3/5 : COPY ./ ./
---> Using cache
---> 463038226073
Step 4/5 : RUN mvn install -DskipTests
---> Using cache
---> 8ad3d40e646b
Step 5/5 : ENTRYPOINT ["java","-cp","target/worker-1.0-SNAPSHOT-jar-with-dependencies.jar","com.peelmicro.App"]
---> Using cache
---> f9017fbfff58
Successfully built f9017fbfff58
Successfully tagged java-complex_worker:latest
Starting java-complex_client_1 ... done
Starting java-complex_worker_1 ... done
Starting java-complex_redis_1 ... done
Starting java-complex_nginx_1 ... done
Starting java-complex_api_1 ... done
Starting java-complex_postgres_1 ... done
Attaching to java-complex_api_1, java-complex_redis_1, java-complex_worker_1, java-complex_nginx_1, java-complex_postgres_1, java-complex_client_1
redis_1 | 1:C 18 Nov 2018 16:11:15.107 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
redis_1 | 1:C 18 Nov 2018 16:11:15.107 # Redis version=5.0.1, bits=64, commit=00000000, modified=0, pid=1, just started
redis_1 | 1:C 18 Nov 2018 16:11:15.107 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf
redis_1 | 1:M 18 Nov 2018 16:11:15.109 * Running mode=standalone, port=6379.
redis_1 | 1:M 18 Nov 2018 16:11:15.109 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
redis_1 | 1:M 18 Nov 2018 16:11:15.109 # Server initialized
redis_1 | 1:M 18 Nov 2018 16:11:15.109 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.
redis_1 | 1:M 18 Nov 2018 16:11:15.109 * DB loaded from disk: 0.000 seconds
redis_1 | 1:M 18 Nov 2018 16:11:15.109 * Ready to accept connections
postgres_1 | 2018-11-18 16:11:17.211 UTC [1] LOG: listening on IPv4 address "0.0.0.0", port 5432
postgres_1 | 2018-11-18 16:11:17.215 UTC [1] LOG: listening on IPv6 address "::", port 5432
postgres_1 | 2018-11-18 16:11:17.318 UTC [1] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
postgres_1 | 2018-11-18 16:11:17.500 UTC [22] LOG: database system was shut down at 2018-11-18 16:10:53 UTC
postgres_1 | 2018-11-18 16:11:17.522 UTC [1] LOG: database system is ready to accept connections
client_1 |
client_1 | > client@0.1.0 start /app
client_1 | > react-scripts start
client_1 |
api_1 |
api_1 | . ____ _ __ _ _
api_1 | /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
api_1 | ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
api_1 | \\/ ___)| |_)| | | | | || (_| | ) ) ) )
api_1 | ' |____| .__|_| |_|_| |_\__, | / / / /
api_1 | =========|_|==============|___/=/_/_/_/
api_1 | :: Spring Boot :: (v2.1.0.RELEASE)
api_1 |
api_1 | 2018-11-18 16:11:20.262 INFO 1 --- [ main] com.peelmicro.server.ServerApplication : Starting ServerApplication v0.0.1-SNAPSHOT on 0345af4e1eae with PID 1 (/app/target/server-0.0.1-SNAPSHOT.jar started by root in /app)
api_1 | 2018-11-18 16:11:20.276 INFO 1 --- [ main] com.peelmicro.server.ServerApplication : No active profile set, falling back to default profiles: default
api_1 | 2018-11-18 16:11:24.068 INFO 1 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
api_1 | 2018-11-18 16:11:24.555 INFO 1 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 458ms. Found 1 repository interfaces.
api_1 | 2018-11-18 16:11:26.122 INFO 1 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$3326421c] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
api_1 | 2018-11-18 16:11:27.996 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 5000 (http)
api_1 | 2018-11-18 16:11:28.120 INFO 1 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
api_1 | 2018-11-18 16:11:28.134 INFO 1 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/9.0.12
api_1 | 2018-11-18 16:11:28.200 INFO 1 --- [ main] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/opt/openjdk-12/lib/server:/opt/openjdk-12/lib:/opt/openjdk-12/../lib:/usr/java/packages/lib:/usr/lib64:/lib64:/lib:/usr/lib]
api_1 | 2018-11-18 16:11:28.687 INFO 1 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
api_1 | 2018-11-18 16:11:28.688 INFO 1 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 7996 ms
api_1 | 2018-11-18 16:11:28.918 INFO 1 --- [ main] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
api_1 | 2018-11-18 16:11:28.941 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
api_1 | 2018-11-18 16:11:28.942 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
api_1 | 2018-11-18 16:11:28.942 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'formContentFilter' to: [/*]
api_1 | 2018-11-18 16:11:28.943 INFO 1 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
api_1 | 2018-11-18 16:11:29.416 INFO 1 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
api_1 | 2018-11-18 16:11:29.926 INFO 1 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
api_1 | 2018-11-18 16:11:30.559 INFO 1 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [
api_1 | name: default
api_1 | ...]
api_1 | 2018-11-18 16:11:30.931 INFO 1 --- [ main] org.hibernate.Version : HHH000412: Hibernate Core {5.3.7.Final}
api_1 | 2018-11-18 16:11:30.945 INFO 1 --- [ main] org.hibernate.cfg.Environment : HHH000206: hibernate.properties not found
api_1 | 2018-11-18 16:11:31.421 INFO 1 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.0.4.Final}
api_1 | 2018-11-18 16:11:32.885 INFO 1 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.PostgreSQLDialect
api_1 | 2018-11-18 16:11:32.927 INFO 1 --- [ main] o.h.e.j.e.i.LobCreatorBuilderImpl : HHH000422: Disabling contextual LOB creation as connection was null
api_1 | 2018-11-18 16:11:32.956 INFO 1 --- [ main] org.hibernate.type.BasicTypeRegistry : HHH000270: Type registration [java.util.UUID] overrides previous : org.hibernate.type.UUIDBinaryType@1b39fd82
api_1 | 2018-11-18 16:11:34.183 INFO 1 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
client_1 | Starting the development server...
client_1 |
api_1 | 2018-11-18 16:11:35.941 INFO 1 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
api_1 | 2018-11-18 16:11:36.102 WARN 1 --- [ main] aWebConfiguration$JpaWebMvcConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
api_1 | 2018-11-18 16:11:36.810 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 5000 (http) with context path ''
api_1 | 2018-11-18 16:11:36.815 INFO 1 --- [ main] com.peelmicro.server.ServerApplication : Started ServerApplication in 18.756 seconds (JVM running for 22.023)
- Ensure the application is executed properly on
http://localhost:3050/
- Create the new
java-multi-dockerrepository
- Link the project to the new repository and push the first commit.
$ git status
On branch master
No commits yet
Untracked files:
(use "git add <file>..." to include in what will be committed)
.gitignore
README.md
client/
docker-compose.yml
nginx/
server/
worker/
nothing added to commit but untracked files present (use "git add" to track)
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git add .
warning: LF will be replaced by CRLF in .gitignore.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/.gitignore.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/README.md.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/package.json.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/public/index.html.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/public/manifest.json.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/App.css.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/App.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/App.test.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/Fib.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/OtherPage.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/index.css.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/index.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/logo.svg.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/src/serviceWorker.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in client/yarn.lock.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in server/.gitignore.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in server/.mvn/wrapper/maven-wrapper.properties.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in server/mvnw.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in server/mvnw.cmd.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in server/pom.xml.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in server/src/main/java/com/peelmicro/server/exceptions/ResourceNotFoundException.java.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in server/src/test/java/com/peelmicro/server/DemoApplicationTests.java.
The file will have its original line endings in your working directory.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git status
On branch master
No commits yet
Changes to be committed:
(use "git rm --cached <file>..." to unstage)
new file: .gitignore
new file: README.md
new file: client/.gitignore
new file: client/Dockerfile
new file: client/Dockerfile.dev
new file: client/README.md
new file: client/nginx/default.conf
new file: client/package.json
new file: client/public/favicon.ico
new file: client/public/index.html
new file: client/public/manifest.json
new file: client/src/App.css
new file: client/src/App.js
new file: client/src/App.test.js
new file: client/src/Fib.js
new file: client/src/OtherPage.js
new file: client/src/index.css
new file: client/src/index.js
new file: client/src/logo.svg
new file: client/src/serviceWorker.js
new file: client/yarn.lock
new file: docker-compose.yml
new file: nginx/Dockerfile
new file: nginx/Dockerfile.dev
new file: nginx/default.conf
new file: server/.dockerignore
new file: server/.gitignore
new file: server/.mvn/wrapper/maven-wrapper.jar
new file: server/.mvn/wrapper/maven-wrapper.properties
new file: server/.vscode/launch.json
new file: server/Dockerfile
new file: server/Running
new file: server/mvnw
new file: server/mvnw.cmd
new file: server/pom.xml
new file: server/src/main/java/com/peelmicro/server/ServerApplication.java
new file: server/src/main/java/com/peelmicro/server/controllers/ValuesController.java
new file: server/src/main/java/com/peelmicro/server/exceptions/ResourceNotFoundException.java
new file: server/src/main/java/com/peelmicro/server/models/Value.java
new file: server/src/main/java/com/peelmicro/server/repositories/ValuesRepository.java
new file: server/src/main/java/com/peelmicro/server/services/RedisService.java
new file: server/src/main/resources/application.properties
new file: server/src/main/resources/schema.sql
new file: server/src/test/java/com/peelmicro/server/DemoApplicationTests.java
new file: worker/.classpath
new file: worker/.dockerignore
new file: worker/.project
new file: worker/.settings/org.eclipse.jdt.apt.core.prefs
new file: worker/.settings/org.eclipse.jdt.core.prefs
new file: worker/.settings/org.eclipse.m2e.core.prefs
new file: worker/.vscode/launch.json
new file: worker/Dockerfile
new file: worker/pom.xml
new file: worker/src/main/java/com/peelmicro/App.java
new file: worker/src/test/java/com/peelmicro/AppTest.java
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git commit -m "first commit"
[master (root-commit) 54bdfe0] first commit
55 files changed, 10252 insertions(+)
create mode 100644 .gitignore
create mode 100644 README.md
create mode 100644 client/.gitignore
create mode 100644 client/Dockerfile
create mode 100644 client/Dockerfile.dev
create mode 100644 client/README.md
create mode 100644 client/nginx/default.conf
create mode 100644 client/package.json
create mode 100644 client/public/favicon.ico
create mode 100644 client/public/index.html
create mode 100644 client/public/manifest.json
create mode 100644 client/src/App.css
create mode 100644 client/src/App.js
create mode 100644 client/src/App.test.js
create mode 100644 client/src/Fib.js
create mode 100644 client/src/OtherPage.js
create mode 100644 client/src/index.css
create mode 100644 client/src/index.js
create mode 100644 client/src/logo.svg
create mode 100644 client/src/serviceWorker.js
create mode 100644 client/yarn.lock
create mode 100644 docker-compose.yml
create mode 100644 nginx/Dockerfile
create mode 100644 nginx/Dockerfile.dev
create mode 100644 nginx/default.conf
create mode 100644 server/.dockerignore
create mode 100644 server/.gitignore
create mode 100644 server/.mvn/wrapper/maven-wrapper.jar
create mode 100644 server/.mvn/wrapper/maven-wrapper.properties
create mode 100644 server/.vscode/launch.json
create mode 100644 server/Dockerfile
create mode 100644 server/Running
create mode 100644 server/mvnw
create mode 100644 server/mvnw.cmd
create mode 100644 server/pom.xml
create mode 100644 server/src/main/java/com/peelmicro/server/ServerApplication.java
create mode 100644 server/src/main/java/com/peelmicro/server/controllers/ValuesController.java
create mode 100644 server/src/main/java/com/peelmicro/server/exceptions/ResourceNotFoundException.java
create mode 100644 server/src/main/java/com/peelmicro/server/models/Value.java
create mode 100644 server/src/main/java/com/peelmicro/server/repositories/ValuesRepository.java
create mode 100644 server/src/main/java/com/peelmicro/server/services/RedisService.java
create mode 100644 server/src/main/resources/application.properties
create mode 100644 server/src/main/resources/schema.sql
create mode 100644 server/src/test/java/com/peelmicro/server/DemoApplicationTests.java
create mode 100644 worker/.classpath
create mode 100644 worker/.dockerignore
create mode 100644 worker/.project
create mode 100644 worker/.settings/org.eclipse.jdt.apt.core.prefs
create mode 100644 worker/.settings/org.eclipse.jdt.core.prefs
create mode 100644 worker/.settings/org.eclipse.m2e.core.prefs
create mode 100644 worker/.vscode/launch.json
create mode 100644 worker/Dockerfile
create mode 100644 worker/pom.xml
create mode 100644 worker/src/main/java/com/peelmicro/App.java
create mode 100644 worker/src/test/java/com/peelmicro/AppTest.java
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git remote add origin https://github.com/peelmicro/java-multi-docker.git
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git push origin HEAD
Counting objects: 93, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (68/68), done.
Writing objects: 100% (93/93), 146.13 KiB | 880.00 KiB/s, done.
Total 93 (delta 2), reused 0 (delta 0)
remote: Resolving deltas: 100% (2/2), done.
remote:
remote: Create a pull request for 'master' on GitHub by visiting:
remote: https://github.com/peelmicro/java-multi-docker/pull/new/master
remote:
To https://github.com/peelmicro/java-multi-docker.git
* [new branch] HEAD -> master
- Prepare the integration with Travis CI
- Create the following
.travis.ymldocument (where the deployment on Amazon AWS is commented out)
sudo: required
language: node_js
node_js:
- "8"
services:
- docker
before_install:
- docker build -t peelmicro/test-client -f ./client/Dockerfile.dev ./client
script:
- docker run peelmicro/test-client npm run test -- --coverage
after_success:
- docker build -t peelmicro/java-multi-client ./client
- docker build -t peelmicro/java-multi-nginx ./nginx
- docker build -t peelmicro/java-multi-server ./Server
- docker build -t peelmicro/java-multi-worker ./Worker
# Log in to the docker CLI
- echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_ID" --password-stdin
# Take those images and push them to docker hub
- docker push peelmicro/java-multi-client
- docker push peelmicro/java-multi-nginx
- docker push peelmicro/java-multi-server
- docker push peelmicro/java-multi-worker
#deploy:
# provider: elasticbeanstalk
# region: "us-east-1"
# app: "java-muti-docker"
# env: "JavaMutiDocker-env"
# bucket_name: "elasticbeanstalk-us-east-1-972569889348"
# #bucket_path: ""
# on:
# branch: "master"
# access_key_id: $AWS_ACCESS_KEY
# secret_access_key:
# secure: "$AWS_SECRET_KEY"
- Access the
java-multi-dockerrepository on Travis CI
- Add the
DOCKER_PASSWORDandDOCKER_IDenvironment variables on Travis CI
- Create and push a new commit to include the new
.travis.ymlfile and force Travis to execute it.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git status
On branch master
Untracked files:
(use "git add <file>..." to include in what will be committed)
.travis.yml
nothing added to commit but untracked files present (use "git add" to track)
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git add .
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git status
On branch master
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)
new file: .travis.yml
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git commit -m "Added .travis.yml"
[master ed135b4] Added .travis.yml
1 file changed, 34 insertions(+)
create mode 100644 .travis.yml
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git push origin HEAD
Counting objects: 3, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 772 bytes | 193.00 KiB/s, done.
Total 3 (delta 1), reused 0 (delta 0)
remote: Resolving deltas: 100% (1/1), completed with 1 local object.
To https://github.com/peelmicro/java-multi-docker.git
54bdfe0..ed135b4 HEAD -> master
- Ensure the new Build has started on Travis CI.
Travis CI View Config
{
"os": "linux",
"dist": "trusty",
"sudo": "required",
"group": "stable",
"script": [
"docker run peelmicro/test-client npm run test -- --coverage"
],
"node_js": "8",
"language": "node_js",
"services": [
"docker"
],
"after_success": [
"docker build -t peelmicro/java-multi-client ./client",
"docker build -t peelmicro/java-multi-nginx ./nginx",
"docker build -t peelmicro/java-multi-server ./server",
"docker build -t peelmicro/java-multi-worker ./worker",
"echo \"$DOCKER_PASSWORD\" | docker login -u \"$DOCKER_ID\" --password-stdin",
"docker push peelmicro/java-multi-client",
"docker push peelmicro/java-multi-nginx",
"docker push peelmicro/java-multi-server",
"docker push peelmicro/java-multi-worker"
],
"before_install": [
"docker build -t peelmicro/test-client -f ./client/Dockerfile.dev ./client"
]
}
- Ensure the new Build has been executed with success
- Ensure the Docker images has been copied to the Docker Hub
- Create a new application in AWS Elastic Beanstalk
- Go to AWS Elastic Beanstalk
- Click on
Create New Application
Application Name: java-muti-docker
Description:
- Click on
Create
- Clik on
Create one now. - Select `Web server environment'
- Click on
Select
Application name: java-muti-docker
Environment name: JavaMutiDocker-env
Select Platform: "Multi-container Docker"
Click on
Create Environment
- Go to the New AWS Elastic Beanstalk link
- Create a new Security Group
- Go to AWS Console
- Click on
Security Grroups
- Click on
Create security group
Group name: java-multi-docker
Description: Traffic for services in java-multi-docker app
VPC: vpc-4c2e8936
- Click on
Create
Security Group ID: sg-08ed86c53f60c2bc9
- Click on
Close
- Click on the
Inbound Rulestab on the bottom
- Click on
Edit rules
- Click on
Add Rule
Type: Custom TCP Rule
Protocol: TCP (6)
Port Range: 5432-6379
Source: sg-00979554265e02ce2 (the one for multi-docker)
Description:
- Click on
Save rules
- Assign the new security group to the EB instance
- Go to to the New JavaMutiDocker-env EB
- Click on
Configuration
- Click on
Intances -> Modify
- Check on the new
java-multi-dockersecurity group and then click onApply
- Click on
Confirm
- Ensure the new security group has been added
- Add
AWS Relational Database Service(RDS)
- Go to Amazon RDS
- Search for
Create databasesection and click onCreate Databasebutton.
- Select
[X] PostgreSQLand click onNext
- Select
[X] Dev/Testand click onNext
Instance specifications
License model: postgresql-license
Db engine version: PostgreSQL 10.4-R1
[X] Only enable options eligible for RDS Free Usage Tier
Db Instance class: db.t2.micro - 1 vCPU, 1 GiB RAM
Allocated storaged: 20 GiB
Settings
DB instance identifier: java-multi-docker-postgres
Master username: postgres
Master password: postgres_password
Confirm password: postgres_password
- Click on [Next]
Network & Security
Virtual Private Cloud (VPC): Default VPC (vpc-2c2e8936)
Subnet group: default
Public accessibility: (No)
Availability zone: No preference
VPC segurity groups: ( ) Create new VPC security group (X) Choose existing VPC security groups
default java-multi-docker
Database options
Database name: fibvalues
Port: 5432
DB parameter group: default.postgres10
IAM Db authentication: ( ) Enable IAM DB authentication (X) Disable
Encryption
Nothing to be done.
Backup
Backup retention period: 7 days.
Backup window: ( ) Select Window (X) No preference
[X] Copy tags to snapshots
Monitoring
( ) Enable enhanced monitoring (X) Disable enhanced monitoring
Maintenance
Auto minor version upgrade: ( ) Enable auto minor version upgrade (X) Disable auto minor version upgrade
Maintenance window: ( ) Select Window (X) No Preference
Deletion protection
[ ] Enable deletion protection
- Click on
Create Database
- Click on
View DB Instance details
Ensure the security group previously created is assigned
- Add
AWS ElastiCache(EC)
- Go to ElastiCache
- Click on
Redison the left menu
- Click on
Create
Create your Amazon ElastiCache cluster
Cluster engine (X) Redis [ ] Cluster mode enabled ( ) Memcached
Redis settings
Name: ecmulti-docker-redis
Description:
Engine version compatibility: 5.0.0
Port: 6379
Parameter group: default.redis5.0
Node type: cache.t2.micro (0.5 GiB) (Ensure not to choose "cache.r5.large (13.07 GiB)")
Number of replicas: None (Ensure to not to choose 2)
Advanced Redis settings
Subnet group: redis-group (vpc-4c2e8936)
Preferred availability zone(s): (X) No preference ( ) Select zones
Security
Security groups: default (sg-848995ca), java-multi-docker (sg-08ed86c53f60c2bc9) [Ensure to select the second one]
Encryption at-rest: [ ]
Encryption in-transit: [ ]
Import data to cluster
Seed RDB file S3 location:
Backup
Enable automatic backups: [ ]
Maintenance
Maintenance window: (X) No preference ( ) Specify maintenance window
Topic for SNS notification: Disable notifications
- Click on
Create
It goes to https://console.aws.amazon.com/elasticache/home?region-us-east-1#redis: and the ecmulti-docker-redis cluster starts to create
Ensure the security group previously created is assigned
- Add the setting variables on AWS
- Go to to the New JavaMutiDocker-env EB and click on the
JavaMutiDocker-envenvironment.
- Click on
Configuration
- Click on
Software -> Modify
Add the following Environment properties
REDIS_HOST: ecmulti-docker-redis.lmrcvz.0001.use1.cache.amazonaws.com (it must be obtained from
Primary Endpointon the ecmulti-docker-redis EC instance)REDIS_PORT: 6379
PGUSER: postgres
PGHOST: java-multi-docker-postgres.cvzlrthufo75.us-east-1.rds.amazonaws.com (it must be obtained from `Endpoint' on the java-multi-docker-postgres RDS instance)
PGDATABASE: fibvalues
PGPASSWORD: postgres_password
PGPORT: 5432
- Click on
Apply
- Create the IAM Keys for Deployment
- Click on
Users
- Click on
Add User
User name: java-multi-docker-deployer
Select AWS access type
Access type: [X] Programmatic access [ ] AWS Management Console access
- Click on
Next: Permissions
- Click on
Attach existing policies directly
- Search for
beanstalkand select all of them starting byAWSElasticNeanstalk
- Click on
Next: Tags
Don't put any optional tag.
- Click on
Next: Review
- Review the values and click on
Create User
Click on
Showand copy theAccess key IDandSecret access keyvalues in a safe placeClick on
Close
Ensure the new java-multi-docker-deployer has been created.
- Modify the
.travis.ymldocument to include the deployment on AWS
.travis.yml
sudo: required
language: node_js
node_js:
- "8"
services:
- docker
before_install:
- docker build -t peelmicro/test-client -f ./client/Dockerfile.dev ./client
script:
- docker run peelmicro/test-client npm run test -- --coverage
after_success:
- docker build -t peelmicro/java-multi-client ./client
- docker build -t peelmicro/java-multi-nginx ./nginx
- docker build -t peelmicro/java-multi-server ./server
- docker build -t peelmicro/java-multi-worker ./worker
# Log in to the docker CLI
- echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_ID" --password-stdin
# Take those images and push them to docker hub
- docker push peelmicro/java-multi-client
- docker push peelmicro/java-multi-nginx
- docker push peelmicro/java-multi-server
- docker push peelmicro/java-multi-worker
deploy:
provider: elasticbeanstalk
region: "us-east-1"
app: "java-muti-docker"
env: "JavaMutiDocker-env"
bucket_name: "elasticbeanstalk-us-east-1-972569889348"
#bucket_path: ""
on:
branch: "master"
access_key_id: $AWS_ACCESS_KEY
secret_access_key:
secure: "$AWS_SECRET_KEY"
- Put the
AWS_ACCESS_KEYandAWS_SECRET_KEYenvironment variables on the Travis CI repository
- Add the
Dockerrun.aws.jsondocument needed for the deployment on AWS
Dockerrun.aws.json
{
"AWSEBDockerrunVersion": 2,
"containerDefinitions": [
{
"name": "client",
"image": "peelmicro/java-multi-client",
"hostname": "client",
"essential": false,
"memory": 128
},
{
"name": "server",
"image": "peelmicro/java-multi-server",
"hostname": "api",
"essential": false,
"memory": 256
},
{
"name": "worker",
"image": "peelmicro/java-multi-worker",
"hostname": "worker",
"essential": false,
"memory": 128
},
{
"name": "nginx",
"image": "peelmicro/java-multi-nginx",
"hostname": "nginx",
"essential": true,
"portMappings": [
{
"hostPort": 80,
"containerPort": 80
}
],
"links": ["client","server"],
"memory": 128
}
]
}
- Commit and push the changes
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git status
On branch master
Changes not staged for commit:
(use "git add <file>..." to update what will be committed)
(use "git checkout -- <file>..." to discard changes in working directory)
modified: .travis.yml
Untracked files:
(use "git add <file>..." to include in what will be committed)
Dockerrun.aws.json
no changes added to commit (use "git add" and/or "git commit -a")
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git add .
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git commit -m "AWS integration included"
[master 69ba180] AWS integration included
2 files changed, 52 insertions(+), 12 deletions(-)
create mode 100644 Dockerrun.aws.json
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git push origin HEAD
Counting objects: 4, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (4/4), done.
Writing objects: 100% (4/4), 782 bytes | 195.00 KiB/s, done.
Total 4 (delta 2), reused 0 (delta 0)
remote: Resolving deltas: 100% (2/2), completed with 2 local objects.
To https://github.com/peelmicro/java-multi-docker.git
eddcbb4..69ba180 HEAD -> master
- Ensure the new build on CI is created with sucess
- Go to Travis CI repository
- Ensure the application is deployed correctly on AWS
- Go to to the New JavaMutiDocker-env EB
- Ensure the application runs correctly on AWS
- Go to Fib Calculator (Java)
- Cleanup all the resources created on AWS
I) EB instance Go to the New JavaMutiDocker-env EB
- Click on
Actions -> Delete application
- Click on
Delete
II) RDS (Postgres)
- Go to [Amazon RDS Instances]https://console.aws.amazon.com/rds/home?region=us-east-1#dbinstances:)
- Mark the
java-multi-docker-postgresone and click onInstance actions -> Delete
[ ] - Create final snapshot?
Determines whether a final DB Snapshot is created before the DB instance is deleted.
[ ] - Retain automated backups
Determines whether retaining automated backups for 7 days after deletion
[X] - I acknowledge that upon instance deletion, automated backups, including system snapshots and point-in-time recovery, will no longer be available.
To confirm deletion, type delete me into the field
- Enter
delete meon the last field and the click onDelete
III) EC (Redis)
Go to ElastiCache Redis
- Mark the
ecmulti-docker-rediscluster and then on theDeletebutton.
- Click on
Delete
IV) Security Group (Optional)
Go to the EWS Resources
- Click on
Security Groups
- Mark the
JavaMutiDocker-envone and click onActions -> Delete security group
- Click on
Delete security group
V) IAM security users (Optional) Go to Welcome to Identity and Access Managements
- Click on
Users
- Mark the
java-multi-docker-deployeand Click onDelete User
- Mark [X]
One or more of these users have recently accessed AWS. Deleting them could affect running systems. Check the box to confirm that you want to delete these users.and click onYes, delete
The user is deleted.
Onwards to Kubernetes!
- Modify the
client\nginx\default.conffile to avoid it fails when running it inside Kubernetes
server {
listen 3000;
location / {
root /usr/share/nginx/html;
index index.html index.htm;
#try_files $uri $uri/ /index.html;
}
}
- Create the
simplek8sfolder and theconfigKubernetes files
client-node-port.yaml
apiVersion: v1
kind: Service
metadata:
name: java-client-node-port
spec:
type: NodePort
ports:
- port: 3050
targetPort: 3000
nodePort: 31515
selector:
component: web
client-pod.yaml
apiVersion: v1
kind: Pod
metadata:
name: java-client-pod
labels:
component: web
spec:
containers:
- name: client
image: peelmicro/java-multi-client
ports:
- containerPort: 3000
- Create the
java-multi-clientDocker image
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)$ docker build -t peelmicro/java-multi-client ./client
Sending build context to Docker daemon 341kB
Step 1/10 : FROM node:alpine as builder
---> 4b3c025f5508
Step 2/10 : WORKDIR /app
---> Using cache
---> 1a05d05e0b5b
Step 3/10 : COPY ./package.json ./
---> Using cache
---> 829609b8e407
Step 4/10 : RUN npm install
---> Using cache
---> a2ca727a111e
Step 5/10 : COPY . .
---> 76a557b982d5
Step 6/10 : RUN npm run build
---> Running in cd7156e034ae
> client@0.1.0 build /app
> react-scripts build
Creating an optimized production build...
Compiled successfully.
File sizes after gzip:
47.2 KB build/static/js/1.7b85cb19.chunk.js
1.37 KB build/static/js/main.e3eae86e.chunk.js
763 B build/static/js/runtime~main.229c360f.js
510 B build/static/css/main.0b4a1755.chunk.css
The project was built assuming it is hosted at the server root.
You can control this with the homepage field in your package.json.
For example, add this to build it for GitHub Pages:
"homepage" : "http://myname.github.io/myapp",
The build folder is ready to be deployed.
You may serve it with a static server:
yarn global add serve
serve -s build
Find out more about deployment here:
http://bit.ly/CRA-deploy
Removing intermediate container cd7156e034ae
---> f7fd3eb05f81
Step 7/10 : FROM nginx
---> e81eb098537d
Step 8/10 : EXPOSE 3000
---> Using cache
---> 021956dfacb6
Step 9/10 : COPY ./nginx/default.conf /etc/nginx/conf.d/default.conf
---> Using cache
---> b206c3bc0cf7
Step 10/10 : COPY --from=builder /app/build /usr/share/nginx/html
---> 9ffc8d5643b8
Successfully built 9ffc8d5643b8
Successfully tagged peelmicro/java-multi-client:latest
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
- Push the
java-multi-clientimage toDocker Hub
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ docker push peelmicro/java-multi-client
The push refers to repository [docker.io/peelmicro/java-multi-client]
2ddf2dc4bd77: Pushed
2e55e5f66dcf: Mounted from peelmicro/dotnet-core-multi-client
9a8f339aeebe: Layer already exists
876456b96423: Layer already exists
ef68f6734aa4: Layer already exists
latest: digest: sha256:8d802d12246b9062f0cac6d1743852a22773468973ea8184c4d39ad3bb9b6bc5 size: 1365
- Create the
java-client-podpod
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ cd simplek8s/
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ kubectl apply -f client-pod.yaml
pod "java-client-pod" created
- Create the
java-client-node-portservice
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ kubectl apply -f client-node-port.yaml
service "java-client-node-port" created
- Confirm the IP where
minikubeis running
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ minikube status
minikube: Running
cluster: Running
kubectl: Correctly Configured: pointing to minikube-vm at 192.168.0.109
- Ensure the
clientapp is running properly
- Goto to
http://192.168.0.109:31515/
- Stop the
java-client-podpod
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/complex/simplek8s (master)
$ kubectl delete pod java-client-pod
pod "java-client-pod" deleted
- Stop the
java-client-node-portservice
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/complex/simplek8s (master)
$ kubectl delete service java-client-node-port
service "java-client-node-port" deleted
- Modify
.travis.ymlto avoid it deploys toAWS Elastic Beanstalk
sudo: required
language: node_js
node_js:
- "8"
services:
- docker
before_install:
- docker build -t peelmicro/test-client -f ./client/Dockerfile.dev ./client
script:
- docker run peelmicro/test-client npm run test -- --coverage
after_success:
- docker build -t peelmicro/java-multi-client ./client
- docker build -t peelmicro/java-multi-nginx ./nginx
- docker build -t peelmicro/java-multi-server ./server
- docker build -t peelmicro/java-multi-worker ./worker
# Log in to the docker CLI
- echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_ID" --password-stdin
# Take those images and push them to docker hub
- docker push peelmicro/java-multi-client
- docker push peelmicro/java-multi-nginx
- docker push peelmicro/java-multi-server
- docker push peelmicro/java-multi-worker
# Commented out for Kubernettes
# deploy:
# provider: elasticbeanstalk
# region: "us-east-1"
# app: "java-muti-docker"
# env: "JavaMutiDocker-env"
# bucket_name: "elasticbeanstalk-us-east-1-972569889348"
# #bucket_path: ""
# on:
# branch: "master"
# access_key_id: $AWS_ACCESS_KEY
# secret_access_key:
# secure: "$AWS_SECRET_KEY"
- Update
README.md
## Java version of the "Docker and Kubernetes: The Complete Guide" course
> source code for the Java version of the "Docker and Kubernetes: The Complete Guide" course
## Execute it locally using
$ docker-compose up --build
Navigate to http://localhost:3050/
## Continuous Integration with Travis CI + Amazon AWS
- The repository must be created on https://github.com/
- The repository must be assigned from GitHub on https://travis-ci.com/. The following setting variables must be set up:
1) AWS_ACCESS_KEY (for 11.-Multi-Container Deployments to AWS)
2) AWS_SECRET_KEY (for 11.-Multi-Container Deployments to AWS)
3) DOCKER_ID
4) DOCKER_PASSWORD
- The following instances must be created on Amazon (for 11.-Multi-Container Deployments to AWS)
1) Elastic Beanstalk (EB)
2) Relational Database Service (RDS) for Postgres
3) ElastiCache for Redis
4) Custom Security Group
5) Identity and Access Magagement (IAM)
## Within the code you can see how to
- Create different Docket Container Types and relate all of them
1) React Client App
2) Java Spring Web Framework API with Maven
3) Java Maven Console
4) Postgres
5) Redis
6) NGINX
- Use Postgres from a Docker Container with Java
- Use Redis from a Docker Container with Java creating a subscription on the Web API App and subscribe to it on the Console App.
- Accept dynamic POST request with Java Spring Framework Web API
- Send dynamic JSON responses from Java Spring Framework Web API
- Use Docker Compose to run and relate easily different Docker Components
- Use NIGIX Container to run the React Client App
- Use NIGIX Container as Reverse Proxy with Java Spring Framework Web API
- Work with different AWS Amazon service types to deploy a multi container Docker application using AWS Elastic Beanstalk
- Upload own Containers to Docker Hub and download them with the deployment
- Use Travis CI for the Continuous Integration Workflow
- Use Kubernetes
- Use Minikube to run Kubernetes locally
- Use Kubectl CLI for interacting with Kubernetes Master
## In order to get to know what has been developed follow the course on
https://www.udemy.com/docker-and-kubernetes-the-complete-guide
- Commit and push the changes to the
Githubrepository
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git add .
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git status
On branch master
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)
modified: .travis.yml
modified: README.md
modified: client/nginx/default.conf
new file: simplek8s/client-node-port.yaml
new file: simplek8s/client-pod.yaml
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git commit -m "Onwards to Kubernetes!"
[master 433fd51] Onwards to Kubernetes!
5 files changed, 47 insertions(+), 24 deletions(-)
create mode 100644 simplek8s/client-node-port.yaml
create mode 100644 simplek8s/client-pod.yaml
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git push origin HEAD
Counting objects: 10, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (9/9), done.
Writing objects: 100% (10/10), 1.26 KiB | 321.00 KiB/s, done.
Total 10 (delta 5), reused 0 (delta 0)
remote: Resolving deltas: 100% (5/5), completed with 5 local objects.
To https://github.com/peelmicro/java-multi-docker.git
eec9528..433fd51 HEAD -> master
Maintaining Sets of Containers with Deployments
- Create the new
client-deployment.yamlconfig file.
apiVersion: apps/v1
kind: Deployment
metadata:
name: java-client-deployment
spec:
replicas: 1
selector:
matchLabels:
component: web
template:
metadata:
labels:
component: web
spec:
containers:
- name: client
image: peelmicro/java-multi-client
ports:
- containerPort: 3000
- Delete current
pods,deploymentsandservices
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
client-deployment-8846f9858-cvg8t 1/1 Running 0 11h
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get deployments
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
client-deployment 1 1 1 1 23h
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl delete deployment client-deployment
deployment.extensions "client-deployment" deleted
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get pods
No resources found.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get deployments
No resources found.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get services
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
client-node-port NodePort 10.96.119.223 <none> 3050:31515/TCP 22h
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 3d
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl delete service client-node-port
service "client-node-port" deleted
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get services
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 3d
- Apply the
client-deploymentconfig deployment
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ kubectl apply -f client-deployment.yaml
deployment.apps "java-client-deployment" created
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ kubectl get deployments
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
java-client-deployment 1 1 1 1 39s
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
java-client-deployment-d84b8c989-pww6d 1/1 Running 0 1m
- Apply the 'client-node-port` config service
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ kubectl apply -f client-node-port.yaml
service "java-client-node-port" created
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ kubectl get services
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
java-client-node-port NodePort 10.99.198.24 <none> 3050:31515/TCP 14s
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 3d
- Test if the
multi-clientinstance is running properly
- Find out the current IP
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ minikube ip
192.168.0.109
- Browse to http://192.168.0.109:31515/
- Modify the
App.jsprogram to put another header to identify the version
import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';
import { BrowserRouter as Router, Route, Link } from 'react-router-dom';
import OtherPage from './OtherPage';
import Fib from './Fib';
class App extends Component {
render() {
return (
<Router>
<div className="App">
<header className="App-header">
<img src={logo} className="App-logo" alt="logo" />
<h1 className="App-title">Fib Calculator version 2 (Java)</h1>
<Link to="/">Home</Link>
<Link to="/otherpage">Other Page</Link>
</header>
<div>
<Route exact path="/" component={Fib} />
<Route path="/otherpage" component={OtherPage} />
</div>
</div>
</Router>
);
}
}
export default App;
- Rebuild the
java-multi-clientimage with a different tag
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ docker build -t peelmicro/java-multi-client:v2 ./client
unable to prepare context: path "./client" not found
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex/simplek8s (master)
$ cd ..
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ docker build -t peelmicro/java-multi-client:v2 ./client
Sending build context to Docker daemon 341kB
Step 1/10 : FROM node:alpine as builder
---> 4b3c025f5508
Step 2/10 : WORKDIR /app
---> Using cache
---> 1a05d05e0b5b
Step 3/10 : COPY ./package.json ./
---> Using cache
---> 829609b8e407
Step 4/10 : RUN npm install
---> Using cache
---> a2ca727a111e
Step 5/10 : COPY . .
---> 7b21f20de663
Step 6/10 : RUN npm run build
---> Running in 0db29a59e475
> client@0.1.0 build /app
> react-scripts build
Creating an optimized production build...
Compiled successfully.
File sizes after gzip:
47.2 KB build/static/js/1.7b85cb19.chunk.js
1.38 KB build/static/js/main.cca2c8d2.chunk.js
763 B build/static/js/runtime~main.229c360f.js
510 B build/static/css/main.0b4a1755.chunk.css
The project was built assuming it is hosted at the server root.
You can control this with the homepage field in your package.json.
For example, add this to build it for GitHub Pages:
"homepage" : "http://myname.github.io/myapp",
The build folder is ready to be deployed.
You may serve it with a static server:
yarn global add serve
serve -s build
Find out more about deployment here:
http://bit.ly/CRA-deploy
Removing intermediate container 0db29a59e475
---> fa091ff65316
Step 7/10 : FROM nginx
---> e81eb098537d
Step 8/10 : EXPOSE 3000
---> Using cache
---> 021956dfacb6
Step 9/10 : COPY ./nginx/default.conf /etc/nginx/conf.d/default.conf
---> Using cache
---> b206c3bc0cf7
Step 10/10 : COPY --from=builder /app/build /usr/share/nginx/html
---> c4c2aacf704e
Successfully built c4c2aacf704e
Successfully tagged peelmicro/java-multi-client:v2
SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
- Push the new
java-multi-clientimage toDocker Hub
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ docker push peelmicro/java-multi-client:v2
The push refers to repository [docker.io/peelmicro/java-multi-client]
3dd98dd000d0: Pushed
2e55e5f66dcf: Layer already exists
9a8f339aeebe: Layer already exists
876456b96423: Layer already exists
ef68f6734aa4: Layer already exists
v2: digest: sha256:c8717622d83d61263d3f897d1dddd12979087eb609eedf74143abf4326a258ee size: 1365
Runa specifickubectlcommand forcing the deployment to use the theimage version
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl set image deployment/java-client-deployment client=peelmicro/java-multi-client:v2
deployment.apps "java-client-deployment" image updated
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get deployments
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
java-client-deployment 1 1 1 1 15m
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
java-client-deployment-7cd5869df7-xd77x 1/1 Running 0 36s
- Test if the new instance of the
muti-clientis running
- Browse to http://192.168.0.109:31515/
CommitandPushchanges to Github Repository
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git add .
warning: LF will be replaced by CRLF in client/src/App.js.
The file will have its original line endings in your working directory.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git status
On branch master
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)
modified: client/src/App.js
new file: simplek8s/client-deployment.yaml
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git commit -m "Maintaining Sets of Containers with Deployments"
[master a6b03c6] Maintaining Sets of Containers with Deployments
2 files changed, 20 insertions(+), 1 deletion(-)
create mode 100644 simplek8s/client-deployment.yaml
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git push origin HEAD
Counting objects: 7, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (7/7), done.
Writing objects: 100% (7/7), 811 bytes | 115.00 KiB/s, done.
Total 7 (delta 4), reused 0 (delta 0)
remote: Resolving deltas: 100% (4/4), completed with 4 local objects.
To https://github.com/peelmicro/java-multi-docker.git
433fd51..a6b03c6 HEAD -> master
A Multi-Container App with Kubernetes
- Clean up the current objects running locally on
minikube
- Check if there are any
servicerunning
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)$ kubectl get services
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
client-cluster-ip-service ClusterIP 10.96.200.46 <none> 3000/TCP 19h
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 4d
postgres-cluster-ip-service ClusterIP 10.108.255.118 <none> 5432/TCP 17h
redis-cluster-ip-service ClusterIP 10.105.219.66 <none> 6379/TCP 17h
server-cluster-ip-service ClusterIP 10.97.173.225 <none> 5000/TCP 18h
- Execute
minikube stop(orminikube ssh "sudo poweroff"in Windows) to stop Minikube
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ minikube ssh "sudo poweroff"
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get services
Unable to connect to the server: dial tcp 192.168.0.107:8443: connectex: No connection could be made because the target machine actively refused it.
- Start Minikube with the
minuke startcommand
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ minikube start
Starting local Kubernetes v1.10.0 cluster...
Starting VM...
E1202 11:27:56.606664 760 start.go:168] Error starting host: Temporary Error: Error configuring auth on host: Too many retries waiting for SSH to be available. Last error: Maximum number of retries (60) exceeded.
Retrying.
Getting VM IP address...
Moving files into cluster...
Setting up certs...
Connecting to cluster...
Setting up kubeconfig...
Starting cluster components...
Kubectl is now configured to use the cluster.
Loading cached images from config file.
- Check if there are any
servicerunning
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get services
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
client-cluster-ip-service ClusterIP 10.96.200.46 <none> 3000/TCP 19h
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 4d
postgres-cluster-ip-service ClusterIP 10.108.255.118 <none> 5432/TCP 18h
redis-cluster-ip-service ClusterIP 10.105.219.66 <none> 6379/TCP 18h
server-cluster-ip-service ClusterIP 10.97.173.225 <none> 5000/TCP 18h
Minikube stopdoesn't remove the objects already created.
- The best way to remove all is executing the `kubectl delete daemonsets,replicasets,services,deployments,pods,rc,pv,pvc,namespaces,secrets,ingresses --all` command
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master) $ kubectl delete daemonsets,replicasets,services,deployments,pods,rc,pv,pvc,namespaces,secrets,ingresses --all service "kubernetes" deleted replicaset.extensions "client-deployment-59b84dbbf6" deleted replicaset.extensions "postgres-deployment-599f4f6bf7" deleted replicaset.extensions "postgres-deployment-8d79c44d9" deleted replicaset.extensions "postgres-deployment-fdd46dbc8" deleted replicaset.extensions "redis-deployment-666bf96bdd" deleted replicaset.extensions "server-deployment-6d557d9f77" deleted replicaset.extensions "server-deployment-866945cd7c" deleted replicaset.extensions "worker-deployment-5cf7f48989" deleted replicaset.extensions "worker-deployment-7c8bc558" deleted service "client-cluster-ip-service" deleted service "kubernetes" deleted service "postgres-cluster-ip-service" deleted service "redis-cluster-ip-service" deleted service "server-cluster-ip-service" deleted deployment.extensions "client-deployment" deleted deployment.extensions "postgres-deployment" deleted deployment.extensions "redis-deployment" deleted deployment.extensions "server-deployment" deleted deployment.extensions "worker-deployment" deleted pod "client-deployment-59b84dbbf6-dswvz" deleted pod "client-deployment-59b84dbbf6-dxrb7" deleted pod "client-deployment-59b84dbbf6-h8wkw" deleted pod "client-deployment-59b84dbbf6-vcgkw" deleted pod "postgres-deployment-8d79c44d9-88qrd" deleted pod "postgres-deployment-8d79c44d9-tn5xg" deleted pod "redis-deployment-666bf96bdd-jnr6k" deleted pod "redis-deployment-666bf96bdd-rtnd4" deleted pod "server-deployment-866945cd7c-69r68" deleted pod "server-deployment-866945cd7c-87ndf" deleted pod "server-deployment-866945cd7c-mbfl8" deleted pod "server-deployment-866945cd7c-nm8nx" deleted pod "server-deployment-866945cd7c-s9wwl" deleted pod "server-deployment-866945cd7c-vsfh9" deleted pod "worker-deployment-5cf7f48989-ngczq" deleted pod "client-deployment-59b84dbbf6-vcgkw" deleted persistentvolume "pvc-95d69064-f59d-11e8-aa19-00155dc00118" deleted persistentvolumeclaim "database-persistent-volume-claim" deleted namespace "ingress-nginx" deleted secret "default-token-6gfdz" deleted secret "pgpassword" deleted ingress.extensions "ingress-service" deleted Error from server (Forbidden): namespaces "default" is forbidden: this namespace may not be deleted Error from server (Forbidden): namespaces "kube-public" is forbidden: this namespace may not be deleted Error from server (Forbidden): namespaces "kube-system" is forbidden: this namespace may not be deleted
```bash
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get services
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 1s
- Make a copy of the whole solution on the
elastic-beanstalkfolder
- Remove the
.travis.yml,docker-compose.ymlandDockerrun.aws.jsonfiles and thenginxandsimplek8sfolders.
- Copy the
k8sfolder from thenodeJsversion.
- Modify all the
configurationfiles.
client-cluster-ip-service.yaml
apiVersion: v1
kind: Service
metadata:
name: java-client-cluster-ip-service
spec:
type: ClusterIP
selector:
component: web
ports:
- port: 3000
targetPort: 3000
client-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: java-client-deployment
spec:
replicas: 3
selector:
matchLabels:
component: web
template:
metadata:
labels:
component: web
spec:
containers:
- name: client
image: peelmicro/java-multi-client
ports:
- containerPort: 3000
database-persistent-volume-claim.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: java-database-persistent-volume-claim
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 2Gi
ingress-service.yaml
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: java-ingress-service
annotations:
kubernetes.io/ingress.class: nginx
nginx.ingress.kubernetes.io/rewrite-target: /
spec:
rules:
- http:
paths:
- path: /
backend:
serviceName: java-client-cluster-ip-service
servicePort: 3000
- path: /api/
backend:
serviceName: java-server-cluster-ip-service
servicePort: 5000
postgres-cluster-ip-service.yaml
apiVersion: v1
kind: Service
metadata:
name: java-postgres-cluster-ip-service
spec:
type: ClusterIP
selector:
component: postgres
ports:
- port: 5432
targetPort: 5432
postgres-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: java-postgres-deployment
spec:
replicas: 1
selector:
matchLabels:
component: postgres
template:
metadata:
labels:
component: postgres
spec:
volumes:
- name: postgres-storage
persistentVolumeClaim:
claimName: java-database-persistent-volume-claim
containers:
- name: postgres
image: postgres
ports:
- containerPort: 5432
volumeMounts:
- name: postgres-storage
mountPath: /var/lib/postgresql/data
subPath: postgres
env:
- name: PGPASSWORD
valueFrom:
secretKeyRef:
name: pgpassword
key: PGPASSWORD
redis-cluster-ip-service.yaml
apiVersion: v1
kind: Service
metadata:
name: java-redis-cluster-ip-service
spec:
type: ClusterIP
selector:
component: redis
ports:
- port: 6379
targetPort: 6379
redis-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: java-redis-deployment
spec:
replicas: 1
selector:
matchLabels:
component: redis
template:
metadata:
labels:
component: redis
spec:
containers:
- name: redis
image: redis
ports:
- containerPort: 6379
server-cluster-ip-service.yaml
apiVersion: v1
kind: Service
metadata:
name: java-server-cluster-ip-service
spec:
type: ClusterIP
selector:
component: server
ports:
- port: 5000
targetPort: 5000
server-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: java-server-deployment
spec:
replicas: 3
selector:
matchLabels:
component: server
template:
metadata:
labels:
component: server
spec:
containers:
- name: server
image: peelmicro/java-multi-server
ports:
- containerPort: 5000
env:
- name: REDIS_HOST
value: java-redis-cluster-ip-service
- name: REDIS_PORT
value: '6379'
- name: PGUSER
value: postgres
- name: PGHOST
value: java-postgres-cluster-ip-service
- name: PGDATABASE
value: postgres
- name: PGPORT
value: '5432'
- name: PGPASSWORD
valueFrom:
secretKeyRef:
name: pgpassword
key: PGPASSWORD
worker-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: java-worker-deployment
spec:
replicas: 1
selector:
matchLabels:
component: java-worker
template:
metadata:
labels:
component: java-worker
spec:
containers:
- name: java-worker
image: peelmicro/java-multi-worker
env:
- name: REDIS_HOST
value: java-redis-cluster-ip-service
- name: REDIS_PORT
value: '6379'
- Create the
secretsfor thepostgrespassword
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl create secret generic pgpassword --from-literal PGPASSWORD=postgres_password
secret "pgpassword" created
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl get secrets
NAME TYPE DATA AGE
default-token-w9xdh kubernetes.io/service-account-token 3 28s
pgpassword Opaque 1 6s
- Execute the
mandatorykubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/mandatory.yamlIngress Nginxandminikube addons enable ingressMinikubecommands.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/mandatory.yaml
namespace "ingress-nginx" created
configmap "nginx-configuration" created
serviceaccount "nginx-ingress-serviceaccount" created
clusterrole.rbac.authorization.k8s.io "nginx-ingress-clusterrole" configured
role.rbac.authorization.k8s.io "nginx-ingress-role" created
rolebinding.rbac.authorization.k8s.io "nginx-ingress-role-nisa-binding" created
clusterrolebinding.rbac.authorization.k8s.io "nginx-ingress-clusterrole-nisa-binding" configured
deployment.extensions "nginx-ingress-controller" created
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ minikube addons enable ingress
ingress was successfully enabled
- Install all the
Kubernetes objects
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ kubectl apply -f k8s
service "java-client-cluster-ip-service" created
deployment.apps "java-client-deployment" created
persistentvolumeclaim "java-database-persistent-volume-claim" created
ingress.extensions "java-ingress-service" created
service "java-postgres-cluster-ip-service" created
deployment.apps "java-postgres-deployment" created
service "java-redis-cluster-ip-service" created
deployment.apps "java-redis-deployment" created
service "java-server-cluster-ip-service" created
deployment.apps "java-server-deployment" created
deployment.apps "java-worker-deployment" created
- Run
minikubelocally
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ minikube ip
192.168.0.107
- Browse to
https://192.168.0.107/
- Click on
ADVANCED
- Click on
Proceed to 192.168.0.107 (unsafe)
- Have a look at the `Minikube Dashboard'
- Execute the
minikube dashboardcommand
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/complex (master)
$ minikube dashboard
Opening http://127.0.0.1:52302/api/v1/namespaces/kube-system/services/http:kubernetes-dashboard:/proxy/ in your default browser...
- Update the
README.mddocument
## Java version of the "Docker and Kubernetes: The Complete Guide" course
> source code for the Java version of the "Docker and Kubernetes: The Complete Guide" course
## AWS Elastic Beanstalk version (Up to `11.-Multi-Container Deployments to AWS` section) is on the `elastic-beanstalk` subfolder:
### Execute it locally using
$ cd elastic-beanstalk
$ docker-compose up --build
Navigate to http://localhost:3050/
### Continuous Integration with Travis CI + Amazon AWS
- The repository must be created on https://github.com/
- The repository must be assigned from GitHub on https://travis-ci.com/. The following setting variables must be set up:
1) AWS_ACCESS_KEY (for 11.-Multi-Container Deployments to AWS)
2) AWS_SECRET_KEY (for 11.-Multi-Container Deployments to AWS)
3) DOCKER_ID
4) DOCKER_PASSWORD
- The following instances must be created on Amazon (for 11.-Multi-Container Deployments to AWS)
1) Elastic Beanstalk (EB)
2) Relational Database Service (RDS) for Postgres
3) ElastiCache for Redis
4) Custom Security Group
5) Identity and Access Magagement (IAM)
## Kubernetes version (From `12.-Onwards to Kubernetes!) is on the root folder:
1. Create the `secrets` for the `postgres` password: `kubectl create secret generic pgpassword --from-literal PGPASSWORD=postgres_password`
2. Execute the `mandatory` `kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/mandatory.yaml` `Ingress Nginx` command
3. Enable Ingress using `minikube addons enable ingress`
4. Install all the `Kubernetes objects` with `kubectl apply -f k8s`
5. Get the local IP with `minikube IP`
6. Browse to the local IP
## Within the code you can see how to
- Create different Docket Container Types and relate all of them
1) React Client App
2) Java Spring Web Framework API with Maven
3) Java Maven Console
4) Postgres
5) Redis
6) NGINX
- Use Postgres from a Docker Container with Java
- Use Redis from a Docker Container with Java creating a subscription on the Web API App and subscribe to it on the Console App.
- Accept dynamic POST request with Java Spring Framework Web API
- Send dynamic JSON responses from Java Spring Framework Web API
- Use Docker Compose to run and relate easily different Docker Components
- Use NIGIX Container to run the React Client App
- Use NIGIX Container as Reverse Proxy with Java Spring Framework Web API
- Work with different AWS Amazon service types to deploy a multi container Docker application using AWS Elastic Beanstalk
- Upload own Containers to Docker Hub and download them with the deployment
- Use Travis CI for the Continuous Integration Workflow
- Use Kubernetes to run the same multi container application
- Use Minikube to run Kubernetes locally
- Use Kubectl CLI for interacting with Kubernetes Master
## In order to get to know what has been developed follow the course on
https://www.udemy.com/docker-and-kubernetes-the-complete-guide
CommitandPushthe changes to Github Repository
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git add .
warning: LF will be replaced by CRLF in elastic-beanstalk/.gitignore.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/.gitignore.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/README.md.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/package.json.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/public/index.html.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/public/manifest.json.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/App.css.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/App.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/App.test.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/Fib.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/OtherPage.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/index.css.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/index.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/logo.svg.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/src/serviceWorker.js.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/client/yarn.lock.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/server/.gitignore.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/server/.mvn/wrapper/maven-wrapper.properties.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/server/mvnw.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/server/mvnw.cmd.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/server/pom.xml.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/server/src/main/java/com/peelmicro/server/exceptions/ResourceNotFoundException.java.
The file will have its original line endings in your working directory.
warning: LF will be replaced by CRLF in elastic-beanstalk/server/src/test/java/com/peelmicro/server/DemoApplicationTests.java.
The file will have its original line endings in your working directory.
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git status
On branch master
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)
modified: README.md
new file: elastic-beanstalk/.gitignore
renamed: .travis.yml -> elastic-beanstalk/.travis.yml
renamed: Dockerrun.aws.json -> elastic-beanstalk/Dockerrun.aws.json
new file: elastic-beanstalk/README.md
new file: elastic-beanstalk/client/.gitignore
new file: elastic-beanstalk/client/Dockerfile
new file: elastic-beanstalk/client/Dockerfile.dev
new file: elastic-beanstalk/client/README.md
new file: elastic-beanstalk/client/nginx/default.conf
new file: elastic-beanstalk/client/package.json
new file: elastic-beanstalk/client/public/favicon.ico
new file: elastic-beanstalk/client/public/index.html
new file: elastic-beanstalk/client/public/manifest.json
new file: elastic-beanstalk/client/src/App.css
new file: elastic-beanstalk/client/src/App.js
new file: elastic-beanstalk/client/src/App.test.js
new file: elastic-beanstalk/client/src/Fib.js
new file: elastic-beanstalk/client/src/OtherPage.js
new file: elastic-beanstalk/client/src/index.css
new file: elastic-beanstalk/client/src/index.js
new file: elastic-beanstalk/client/src/logo.svg
new file: elastic-beanstalk/client/src/serviceWorker.js
new file: elastic-beanstalk/client/yarn.lock
renamed: docker-compose.yml -> elastic-beanstalk/docker-compose.yml
renamed: nginx/Dockerfile -> elastic-beanstalk/nginx/Dockerfile
renamed: nginx/Dockerfile.dev -> elastic-beanstalk/nginx/Dockerfile.dev
renamed: nginx/default.conf -> elastic-beanstalk/nginx/default.conf
new file: elastic-beanstalk/server/.dockerignore
new file: elastic-beanstalk/server/.gitignore
new file: elastic-beanstalk/server/.mvn/wrapper/maven-wrapper.jar
new file: elastic-beanstalk/server/.mvn/wrapper/maven-wrapper.properties
new file: elastic-beanstalk/server/.vscode/launch.json
new file: elastic-beanstalk/server/Dockerfile
new file: elastic-beanstalk/server/Running
new file: elastic-beanstalk/server/mvnw
new file: elastic-beanstalk/server/mvnw.cmd
new file: elastic-beanstalk/server/pom.xml
new file: elastic-beanstalk/server/src/main/java/com/peelmicro/server/ServerApplication.java
new file: elastic-beanstalk/server/src/main/java/com/peelmicro/server/controllers/ValuesController.java
new file: elastic-beanstalk/server/src/main/java/com/peelmicro/server/exceptions/ResourceNotFoundException.java
new file: elastic-beanstalk/server/src/main/java/com/peelmicro/server/models/Value.java
new file: elastic-beanstalk/server/src/main/java/com/peelmicro/server/repositories/ValuesRepository.java
new file: elastic-beanstalk/server/src/main/java/com/peelmicro/server/services/RedisService.java
new file: elastic-beanstalk/server/src/main/resources/application.properties
new file: elastic-beanstalk/server/src/main/resources/schema.sql
new file: elastic-beanstalk/server/src/test/java/com/peelmicro/server/DemoApplicationTests.java
renamed: simplek8s/client-deployment.yaml -> elastic-beanstalk/simplek8s/client-deployment.yaml
renamed: simplek8s/client-node-port.yaml -> elastic-beanstalk/simplek8s/client-node-port.yaml
renamed: simplek8s/client-pod.yaml -> elastic-beanstalk/simplek8s/client-pod.yaml
new file: elastic-beanstalk/worker/.classpath
new file: elastic-beanstalk/worker/.dockerignore
new file: elastic-beanstalk/worker/.project
new file: elastic-beanstalk/worker/.settings/org.eclipse.jdt.apt.core.prefs
new file: elastic-beanstalk/worker/.settings/org.eclipse.jdt.core.prefs
new file: elastic-beanstalk/worker/.settings/org.eclipse.m2e.core.prefs
new file: elastic-beanstalk/worker/.vscode/launch.json
new file: elastic-beanstalk/worker/Dockerfile
new file: elastic-beanstalk/worker/pom.xml
new file: elastic-beanstalk/worker/src/main/java/com/peelmicro/App.java
new file: elastic-beanstalk/worker/src/test/java/com/peelmicro/AppTest.java
new file: k8s/client-cluster-ip-service.yaml
new file: k8s/client-deployment.yaml
new file: k8s/database-persistent-volume-claim.yaml
new file: k8s/ingress-service.yaml
new file: k8s/postgres-cluster-ip-service.yaml
new file: k8s/postgres-deployment.yaml
new file: k8s/redis-cluster-ip-service.yaml
new file: k8s/redis-deployment.yaml
new file: k8s/server-cluster-ip-service.yaml
new file: k8s/server-deployment.yaml
new file: k8s/worker-deployment.yaml
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git commit -m "A Multi-Container App with Kubernetes"
[master 02e2138] A Multi-Container App with Kubernetes
72 files changed, 10396 insertions(+), 4 deletions(-)
create mode 100644 elastic-beanstalk/.gitignore
rename .travis.yml => elastic-beanstalk/.travis.yml (100%)
rename Dockerrun.aws.json => elastic-beanstalk/Dockerrun.aws.json (100%)
create mode 100644 elastic-beanstalk/README.md
create mode 100644 elastic-beanstalk/client/.gitignore
create mode 100644 elastic-beanstalk/client/Dockerfile
create mode 100644 elastic-beanstalk/client/Dockerfile.dev
create mode 100644 elastic-beanstalk/client/README.md
create mode 100644 elastic-beanstalk/client/nginx/default.conf
create mode 100644 elastic-beanstalk/client/package.json
create mode 100644 elastic-beanstalk/client/public/favicon.ico
create mode 100644 elastic-beanstalk/client/public/index.html
create mode 100644 elastic-beanstalk/client/public/manifest.json
create mode 100644 elastic-beanstalk/client/src/App.css
create mode 100644 elastic-beanstalk/client/src/App.js
create mode 100644 elastic-beanstalk/client/src/App.test.js
create mode 100644 elastic-beanstalk/client/src/Fib.js
create mode 100644 elastic-beanstalk/client/src/OtherPage.js
create mode 100644 elastic-beanstalk/client/src/index.css
create mode 100644 elastic-beanstalk/client/src/index.js
create mode 100644 elastic-beanstalk/client/src/logo.svg
create mode 100644 elastic-beanstalk/client/src/serviceWorker.js
create mode 100644 elastic-beanstalk/client/yarn.lock
rename docker-compose.yml => elastic-beanstalk/docker-compose.yml (100%)
rename {nginx => elastic-beanstalk/nginx}/Dockerfile (100%)
rename {nginx => elastic-beanstalk/nginx}/Dockerfile.dev (100%)
rename {nginx => elastic-beanstalk/nginx}/default.conf (100%)
create mode 100644 elastic-beanstalk/server/.dockerignore
create mode 100644 elastic-beanstalk/server/.gitignore
create mode 100644 elastic-beanstalk/server/.mvn/wrapper/maven-wrapper.jar
create mode 100644 elastic-beanstalk/server/.mvn/wrapper/maven-wrapper.properties
create mode 100644 elastic-beanstalk/server/.vscode/launch.json
create mode 100644 elastic-beanstalk/server/Dockerfile
create mode 100644 elastic-beanstalk/server/Running
create mode 100644 elastic-beanstalk/server/mvnw
create mode 100644 elastic-beanstalk/server/mvnw.cmd
create mode 100644 elastic-beanstalk/server/pom.xml
create mode 100644 elastic-beanstalk/server/src/main/java/com/peelmicro/server/ServerApplication.java
create mode 100644 elastic-beanstalk/server/src/main/java/com/peelmicro/server/controllers/ValuesController.java
create mode 100644 elastic-beanstalk/server/src/main/java/com/peelmicro/server/exceptions/ResourceNotFoundException.java
create mode 100644 elastic-beanstalk/server/src/main/java/com/peelmicro/server/models/Value.java
create mode 100644 elastic-beanstalk/server/src/main/java/com/peelmicro/server/repositories/ValuesRepository.java
create mode 100644 elastic-beanstalk/server/src/main/java/com/peelmicro/server/services/RedisService.java
create mode 100644 elastic-beanstalk/server/src/main/resources/application.properties
create mode 100644 elastic-beanstalk/server/src/main/resources/schema.sql
create mode 100644 elastic-beanstalk/server/src/test/java/com/peelmicro/server/DemoApplicationTests.java
rename {simplek8s => elastic-beanstalk/simplek8s}/client-deployment.yaml (100%)
rename {simplek8s => elastic-beanstalk/simplek8s}/client-node-port.yaml (100%)
rename {simplek8s => elastic-beanstalk/simplek8s}/client-pod.yaml (100%)
create mode 100644 elastic-beanstalk/worker/.classpath
create mode 100644 elastic-beanstalk/worker/.dockerignore
create mode 100644 elastic-beanstalk/worker/.project
create mode 100644 elastic-beanstalk/worker/.settings/org.eclipse.jdt.apt.core.prefs
create mode 100644 elastic-beanstalk/worker/.settings/org.eclipse.jdt.core.prefs
create mode 100644 elastic-beanstalk/worker/.settings/org.eclipse.m2e.core.prefs
create mode 100644 elastic-beanstalk/worker/.vscode/launch.json
create mode 100644 elastic-beanstalk/worker/Dockerfile
create mode 100644 elastic-beanstalk/worker/pom.xml
create mode 100644 elastic-beanstalk/worker/src/main/java/com/peelmicro/App.java
create mode 100644 elastic-beanstalk/worker/src/test/java/com/peelmicro/AppTest.java
create mode 100644 k8s/client-cluster-ip-service.yaml
create mode 100644 k8s/client-deployment.yaml
create mode 100644 k8s/database-persistent-volume-claim.yaml
create mode 100644 k8s/ingress-service.yaml
create mode 100644 k8s/postgres-cluster-ip-service.yaml
create mode 100644 k8s/postgres-deployment.yaml
create mode 100644 k8s/redis-cluster-ip-service.yaml
create mode 100644 k8s/redis-deployment.yaml
create mode 100644 k8s/server-cluster-ip-service.yaml
create mode 100644 k8s/server-deployment.yaml
create mode 100644 k8s/worker-deployment.yaml
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git push origin HEAD
Counting objects: 3, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 327 bytes | 109.00 KiB/s, done.
Total 3 (delta 2), reused 0 (delta 0)
remote: Resolving deltas: 100% (2/2), completed with 2 local objects.
To https://github.com/peelmicro/java-multi-docker.git
ccce890..185f08d HEAD -> master
Kubernetes Production Deployment
- Add a tag to the current
Githubrepository
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git tag MultiContainerAppWithKubernetes
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git push origin --tags
Total 0 (delta 0), reused 0 (delta 0)
To https://github.com/peelmicro/java-multi-docker.git
* [new tag] MultiContainerAppWithKubernetes -> MultiContainerAppWithKubernetes
- Create the
multi-container-minikubefolder
- Copy the current project to the new folder
- Copy all the
yamlKubernetes config files from theNodeJssolution.
- Delete the current files
- Copy from the
NodeJssolution
- Update the following
yamlKubernetes config files
client-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: client-deployment
spec:
replicas: 3
selector:
matchLabels:
component: web
template:
metadata:
labels:
component: web
spec:
containers:
- name: client
image: peelmicro/java-multi-client
ports:
- containerPort: 3000
server-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: server-deployment
spec:
replicas: 3
selector:
matchLabels:
component: server
template:
metadata:
labels:
component: server
spec:
containers:
- name: server
image: peelmicro/java-multi-server
ports:
- containerPort: 5000
env:
- name: REDIS_HOST
value: redis-cluster-ip-service
- name: REDIS_PORT
value: '6379'
- name: PGUSER
value: postgres
- name: PGHOST
value: postgres-cluster-ip-service
- name: PGDATABASE
value: postgres
- name: PGPORT
value: '5432'
- name: PGPASSWORD
valueFrom:
secretKeyRef:
name: pgpassword
key: PGPASSWORD
worker-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: worker-deployment
spec:
replicas: 1
selector:
matchLabels:
component: worker
template:
metadata:
labels:
component: worker
spec:
containers:
- name: worker
image: peelmicro/java-multi-worker
env:
- name: REDIS_HOST
value: redis-cluster-ip-service
- name: REDIS_PORT
value: '6379'
- Copy the
.travis.ymlfile from theNodeJssolution
sudo: required
language: node_js
node_js:
- "8"
services:
- docker
env:
global:
# Get an unique value of the latest commit to be used to identify the images
- SHA=$(git rev-parse HEAD)
# Tell Google Cloud CLI not to display any prompts
- CLOUDSDK_CORE_DISABLE_PROMPTS=1
before_install:
# Decrypt the encrypted Google Cloud Keys and copy locally
- openssl aes-256-cbc -K $encrypted_0c35eebf403c_key -iv $encrypted_0c35eebf403c_iv -in service-account.json.enc -out service-account.json -d
# Install the Google Cloud SDK CLI
- curl https://sdk.cloud.google.com | bash > /dev/null;
# Apply additional configuration inside Travis CI instance
- source $HOME/google-cloud-sdk/path.bash.inc
# Install kubectl
- gcloud components update kubectl
# Authentication with Google Cloud using the decrypted json key file
- gcloud auth activate-service-account --key-file service-account.json
# Select the Google Cloud project that we're going to use
- gcloud config set project multi-k8s-224518
# Select the zone where the Kubernetes Cluster is installed
- gcloud config set compute/zone us-central1-a
# Select the Google Kubernetes Cluster
- gcloud container clusters get-credentials multi-cluster
# Log in to the docker CLI
- echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_ID" --password-stdin
# Build the 'test' version of multi-client
- docker build -t peelmicro/test-client -f ./client/Dockerfile.dev ./client
script:
# Run the current test
- docker run peelmicro/test-client npm run test -- --coverage
# Exceute an external script to do the deployment to Google Cloud
deploy:
provider: script
script: bash ./deploy.sh
on:
branch: master
- Copy and update the
deploy.shfile
# Create the Docker Images
docker build -t peelmicro/java-multi-client:latest -t peelmicro/java-multi-client:$SHA -f ./client/Dockerfile ./client
docker build -t peelmicro/java-multi-server:latest -t peelmicro/java-multi-server:$SHA -f ./server/Dockerfile ./server
docker build -t peelmicro/java-multi-worker:latest -t peelmicro/java-multi-worker:$SHA -f ./worker/Dockerfile ./worker
# Take those images and push them to docker hub
docker push peelmicro/java-multi-client:latest
docker push peelmicro/java-multi-client:$SHA
docker push peelmicro/java-multi-server:latest
docker push peelmicro/java-multi-server:$SHA
docker push peelmicro/java-multi-worker:latest
docker push peelmicro/java-multi-worker:$SHA
# Apply all configs in the 'k8s' folder
kubectl apply -f k8s
# Imperatively set lastest images on each deployment
kubectl set image deployments/client-deployment client=peelmicro/java-multi-client:$SHA
kubectl set image deployments/server-deployment server=peelmicro/java-multi-server:$SHA
kubectl set image deployments/worker-deployment worker=peelmicro/java-multi-worker:$SHA
- Link the
java-multi-dockerrepository to travis-ci.org
- Browse to https://travis-ci.org/account/repositories
- Click on the button to link
- Go to
Settings - Add the
DOCKER_IDandDOCKER_PASSWORDenvironment variables
- Copy the
service-account.jsonfile fromNodeJsand add it to the.gitignorefile. - Generate the
service-account.json.encfile usingTravis CI CLIusingPowerShell
PS C:\WINDOWS\system32> cd C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-
complex
PS C:\Users\juan.pablo.perez\OneDrive\Training\Docker\DockerAndKubernetes.TheCompleteGuide\java-complex> docker run -it
-v ${pwd}:/app ruby:2.3 sh
# ls
app bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var
# cd app
# ls
README.md deploy.sh k8s server temp-code
client elastic-beanstalk multi-container-minikube service-account.json worker
# gem install travis --no-rdoc --no-ri
Fetching: multipart-post-2.0.0.gem (100%)
Successfully installed multipart-post-2.0.0
Fetching: faraday-0.15.4.gem (100%)
Successfully installed faraday-0.15.4
Fetching: faraday_middleware-0.12.2.gem (100%)
Successfully installed faraday_middleware-0.12.2
Fetching: highline-1.7.10.gem (100%)
Successfully installed highline-1.7.10
Fetching: backports-3.11.4.gem (100%)
Successfully installed backports-3.11.4
Fetching: multi_json-1.13.1.gem (100%)
Successfully installed multi_json-1.13.1
Fetching: addressable-2.4.0.gem (100%)
Successfully installed addressable-2.4.0
Fetching: net-http-persistent-2.9.4.gem (100%)
Successfully installed net-http-persistent-2.9.4
Fetching: net-http-pipeline-1.0.1.gem (100%)
Successfully installed net-http-pipeline-1.0.1
Fetching: gh-0.15.1.gem (100%)
Successfully installed gh-0.15.1
Fetching: launchy-2.4.3.gem (100%)
Successfully installed launchy-2.4.3
Fetching: ffi-1.9.25.gem (100%)
Building native extensions. This could take a while...
Successfully installed ffi-1.9.25
Fetching: ethon-0.11.0.gem (100%)
Successfully installed ethon-0.11.0
Fetching: typhoeus-0.8.0.gem (100%)
Successfully installed typhoeus-0.8.0
Fetching: websocket-1.2.8.gem (100%)
Successfully installed websocket-1.2.8
Fetching: pusher-client-0.6.2.gem (100%)
Successfully installed pusher-client-0.6.2
Fetching: travis-1.8.9.gem (100%)
Successfully installed travis-1.8.9
17 gems installed
# travis
Shell completion not installed. Would you like to install it now? |y| n
Usage: travis COMMAND ...
Available commands:
accounts displays accounts and their subscription status
branches displays the most recent build for each branch
cache lists or deletes repository caches
cancel cancels a job or build
console interactive shell
disable disables a project
enable enables a project
encrypt encrypts values for the .travis.yml
encrypt-file encrypts a file and adds decryption steps to .travis.yml
endpoint displays or changes the API endpoint
env show or modify build environment variables
help helps you out when in dire need of information
history displays a projects build history
init generates a .travis.yml and enables the project
lint display warnings for a .travis.yml
login authenticates against the API and stores the token
logout deletes the stored API token
logs streams test logs
monitor live monitor for what's going on
open opens a build or job in the browser
pubkey prints out a repository's public key
raw makes an (authenticated) API call and prints out the result
report generates a report useful for filing issues
repos lists repositories the user has certain permissions on
requests lists recent requests
restart restarts a build or job
settings access repository settings
setup sets up an addon or deploy target
show displays a build or job
sshkey checks, updates or deletes an SSH key
status checks status of the latest build
sync triggers a new sync with GitHub
token outputs the secret API token
version outputs the client version
whatsup lists most recent builds
whoami outputs the current user
run `/usr/local/bundle/bin/travis help COMMAND` for more infos
# travis login
We need your GitHub login to identify you.
This information will not be sent to Travis CI, only to api.github.com.
The password will not be displayed.
Try running with --github-token or --auto if you don't want to enter your password anyway.
Username: peelmicro
Password for peelmicro: *********************
Successfully logged in as peelmicro!
Successfully logged in as peelmicro!
# travis encrypt-file service-account.json -r peelmicro/java-multi-docker
encrypting service-account.json for peelmicro/multi-docker
storing result as service-account.json.enc
storing secure env variables for decryption
Please add the following to your build script (before_install stage in your .travis.yml, for instance):
openssl aes-256-cbc -K $encrypted_0c35eebf403c_key -iv $encrypted_0c35eebf403c_iv -in service-account.json.enc -out service-account.json -d
Pro Tip: You can add it automatically by running with --add.
Make sure to add service-account.json.enc to the git repository.
Make sure not to add service-account.json to the git repository.
Commit all changes to your .travis.yml.
- Update the
README.mdfile
## Java version of the "Docker and Kubernetes: The Complete Guide" course
> source code for the Java version of the "Docker and Kubernetes: The Complete Guide" course
## AWS Elastic Beanstalk version (Up to `11.-Multi-Container Deployments to AWS` section) is on the `elastic-beanstalk` subfolder:
### Execute it locally using
$ cd elastic-beanstalk
$ docker-compose up --build
Navigate to http://localhost:3050/
### Continuous Integration with Travis CI + Amazon AWS
- The repository must be created on https://github.com/
- The repository must be assigned from GitHub on https://travis-ci.com/. The following setting variables must be set up:
1) AWS_ACCESS_KEY (for 11.-Multi-Container Deployments to AWS)
2) AWS_SECRET_KEY (for 11.-Multi-Container Deployments to AWS)
3) DOCKER_ID
4) DOCKER_PASSWORD
- The following instances must be created on Amazon (for 11.-Multi-Container Deployments to AWS)
1) Elastic Beanstalk (EB)
2) Relational Database Service (RDS) for Postgres
3) ElastiCache for Redis
4) Custom Security Group
5) Identity and Access Magagement (IAM)
## Kubernetes minkube local version (From `12.-Onwards to Kubernetes!`) is on the `multi-container-minikube` folder:
### Execute it locally
1. Create the `secrets` for the `postgres` password: `kubectl create secret generic pgpassword --from-literal PGPASSWORD=postgres_password`
2. Execute the `mandatory` `kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/mandatory.yaml` `Ingress Nginx` command
3. Enable Ingress using `minikube addons enable ingress`
4. Install all the `Kubernetes objects` with `kubectl apply -f k8s`
5. Get the local IP with `minikube IP`
6. Browse to the local IP
## Kubernetes `Google Cloud` version (From `12.-Onwards to Kubernetes!`) is on the root folder:
- The repository must be assigned from GitHub on https://travis-ci.org/. The following setting variables must be set up:
1) DOCKER_ID
2) DOCKER_PASSWORD
## Within the code you can see how to
- Create different Docket Container Types and relate all of them
1) React Client App
2) Java Spring Web Framework API with Maven
3) Java Maven Console
4) Postgres
5) Redis
6) NGINX
- Use Postgres from a Docker Container with Java
- Use Redis from a Docker Container with Java creating a subscription on the Web API App and subscribe to it on the Console App.
- Accept dynamic POST request with Java Spring Framework Web API
- Send dynamic JSON responses from Java Spring Framework Web API
- Use Docker Compose to run and relate easily different Docker Components
- Use NIGIX Container to run the React Client App
- Use NIGIX Container as Reverse Proxy with Java Spring Framework Web API
- Work with different AWS Amazon service types to deploy a multi container Docker application using AWS Elastic Beanstalk
- Upload own Containers to Docker Hub and download them with the deployment
- Use Travis CI for the Continuous Integration Workflow
- Use Kubernetes to run the same multi container application
- Use Minikube to run Kubernetes locally
- Use Kubectl CLI for interacting with Kubernetes Master
- Use Google Kubernetes Engine to run the Kubernetes Cluster on the Cloud
- Run the Ruby Travis CI CLI from a Docker container locally
- How to manage the automatic creation and renewal of a TLS certificate using Kubernetes to run the application with HTTPS
## In order to get to know what has been developed follow the course on
https://www.udemy.com/docker-and-kubernetes-the-complete-guide
- Commit the code
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git add .
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git status
On branch master
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)
modified: .gitignore
new file: .travis.yml
modified: README.md
new file: deploy.sh
new file: k8s/certificate.yaml
modified: k8s/client-cluster-ip-service.yaml
modified: k8s/client-deployment.yaml
modified: k8s/database-persistent-volume-claim.yaml
modified: k8s/ingress-service.yaml
new file: k8s/issuer.yaml
modified: k8s/postgres-cluster-ip-service.yaml
modified: k8s/postgres-deployment.yaml
modified: k8s/redis-cluster-ip-service.yaml
modified: k8s/redis-deployment.yaml
modified: k8s/server-cluster-ip-service.yaml
modified: k8s/server-deployment.yaml
modified: k8s/worker-deployment.yaml
new file: multi-container-minikube/README.md
new file: multi-container-minikube/client/.gitignore
new file: multi-container-minikube/client/Dockerfile
new file: multi-container-minikube/client/Dockerfile.dev
new file: multi-container-minikube/client/README.md
new file: multi-container-minikube/client/nginx/default.conf
new file: multi-container-minikube/client/package.json
new file: multi-container-minikube/client/public/favicon.ico
new file: multi-container-minikube/client/public/index.html
new file: multi-container-minikube/client/public/manifest.json
new file: multi-container-minikube/client/src/App.css
new file: multi-container-minikube/client/src/App.js
new file: multi-container-minikube/client/src/App.test.js
new file: multi-container-minikube/client/src/Fib.js
new file: multi-container-minikube/client/src/OtherPage.js
new file: multi-container-minikube/client/src/index.css
new file: multi-container-minikube/client/src/index.js
new file: multi-container-minikube/client/src/logo.svg
new file: multi-container-minikube/client/src/serviceWorker.js
new file: multi-container-minikube/client/yarn.lock
new file: multi-container-minikube/k8s/client-cluster-ip-service.yaml
new file: multi-container-minikube/k8s/client-deployment.yaml
new file: multi-container-minikube/k8s/database-persistent-volume-claim.yaml
new file: multi-container-minikube/k8s/ingress-service.yaml
new file: multi-container-minikube/k8s/postgres-cluster-ip-service.yaml
new file: multi-container-minikube/k8s/postgres-deployment.yaml
new file: multi-container-minikube/k8s/redis-cluster-ip-service.yaml
new file: multi-container-minikube/k8s/redis-deployment.yaml
new file: multi-container-minikube/k8s/server-cluster-ip-service.yaml
new file: multi-container-minikube/k8s/server-deployment.yaml
new file: multi-container-minikube/k8s/worker-deployment.yaml
new file: multi-container-minikube/server/.dockerignore
new file: multi-container-minikube/server/.gitignore
new file: multi-container-minikube/server/.mvn/wrapper/maven-wrapper.jar
new file: multi-container-minikube/server/.mvn/wrapper/maven-wrapper.properties
new file: multi-container-minikube/server/.vscode/launch.json
new file: multi-container-minikube/server/Dockerfile
new file: multi-container-minikube/server/Running
new file: multi-container-minikube/server/mvnw
new file: multi-container-minikube/server/mvnw.cmd
new file: multi-container-minikube/server/pom.xml
new file: multi-container-minikube/server/src/main/java/com/peelmicro/server/ServerApplication.java
new file: multi-container-minikube/server/src/main/java/com/peelmicro/server/controllers/ValuesController.java
new file: multi-container-minikube/server/src/main/java/com/peelmicro/server/exceptions/ResourceNotFoundException.java
new file: multi-container-minikube/server/src/main/java/com/peelmicro/server/models/Value.java
new file: multi-container-minikube/server/src/main/java/com/peelmicro/server/repositories/ValuesRepository.java
new file: multi-container-minikube/server/src/main/java/com/peelmicro/server/services/RedisService.java
new file: multi-container-minikube/server/src/main/resources/application.properties
new file: multi-container-minikube/server/src/main/resources/schema.sql
new file: multi-container-minikube/server/src/test/java/com/peelmicro/server/DemoApplicationTests.java
new file: multi-container-minikube/worker/.classpath
new file: multi-container-minikube/worker/.dockerignore
new file: multi-container-minikube/worker/.idea/compiler.xml
new file: multi-container-minikube/worker/.idea/libraries/Maven__junit_junit_3_8_1.xml
new file: multi-container-minikube/worker/.idea/libraries/Maven__org_apache_commons_commons_pool2_2_4_2.xml
new file: multi-container-minikube/worker/.idea/libraries/Maven__redis_clients_jedis_2_9_0.xml
new file: multi-container-minikube/worker/.idea/misc.xml
new file: multi-container-minikube/worker/.idea/modules.xml
new file: multi-container-minikube/worker/.idea/worker.iml
new file: multi-container-minikube/worker/.idea/workspace.xml
new file: multi-container-minikube/worker/.project
new file: multi-container-minikube/worker/.settings/org.eclipse.jdt.apt.core.prefs
new file: multi-container-minikube/worker/.settings/org.eclipse.jdt.core.prefs
new file: multi-container-minikube/worker/.settings/org.eclipse.m2e.core.prefs
new file: multi-container-minikube/worker/.vscode/launch.json
new file: multi-container-minikube/worker/Dockerfile
new file: multi-container-minikube/worker/pom.xml
new file: multi-container-minikube/worker/src/main/java/com/peelmicro/App.java
new file: multi-container-minikube/worker/src/test/java/com/peelmicro/AppTest.java
new file: service-account.json.enc
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git commit -m "Added Google Kubernetes Engine configuration"
[master 20c678a] Added Google Kubernetes Engine configuration
1 file changed, 0 insertions(+), 0 deletions(-)
rewrite service-account.json.enc (100%)
Juan.Pablo.Perez@RIMDUB-0232 MINGW64 ~/OneDrive/Training/Docker/DockerAndKubernetes.TheCompleteGuide/java-complex (master)
$ git push origin HEAD
Counting objects: 3, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 2.58 KiB | 376.00 KiB/s, done.
Total 3 (delta 1), reused 0 (delta 0)
remote: Resolving deltas: 100% (1/1), completed with 1 local object.
To https://github.com/peelmicro/java-multi-docker.git
e91ed0c..20c678a HEAD -> master
- Check if it has been installed correctly
- There are some problems with
multi-serverbecause of the andrediscontainer.
{
"textPayload": "redis.clients.jedis.exceptions.JedisDataException: WRONGTYPE Operation against a key holding the wrong kind of value\n\tat redis.clients.jedis.Protocol.processError(Protocol.java:127) ~[jedis-2.9.0.jar!/:na]\n\tat redis.clients.jedis.Protocol.process(Protocol.java:161) ~[jedis-2.9.0.jar!/:na]\n\tat redis.clients.jedis.Protocol.read(Protocol.java:215) ~[jedis-2.9.0.jar!/:na]\n\tat redis.clients.jedis.Connection.readProtocolWithCheckingBroken(Connection.java:340) ~[jedis-2.9.0.jar!/:na]\n\tat redis.clients.jedis.Connection.getBinaryMultiBulkReply(Connection.java:276) ~[jedis-2.9.0.jar!/:na]\n\tat
...
...
~[na:na]\n",
"insertId": "1lpzkk7f18n3ts",
"resource": {
"type": "container",
"labels": {
"cluster_name": "multi-cluster",
"container_name": "server",
"namespace_id": "default",
"instance_id": "9129877941112239823",
"pod_id": "server-deployment-85c9b499cb-8c4d5",
"zone": "us-central1-a",
"project_id": "multi-k8s-224518"
}
},
"timestamp": "2018-12-08T05:15:59Z",
"severity": "INFO",
"labels": {
"compute.googleapis.com/resource_name": "fluentd-gcp-v2.0.17-gbgh2",
"container.googleapis.com/stream": "stdout",
"container.googleapis.com/pod_name": "server-deployment-85c9b499cb-8c4d5",
"container.googleapis.com/namespace_name": "default"
},
"logName": "projects/multi-k8s-224518/logs/server",
"receiveTimestamp": "2018-12-08T05:16:03.430490787Z"
},
- The problem is with that the redis data generated by
NodeJsis not compatible with the data generated byJava. - The
rediscontainer must berolled up(Update the image)
- Click on
ACTIONS -> Rolling Update
Click on
UPDATEThere are issues with the
Postgresdatabase created byNodeJsbecause it doesn't have theIdfield.
{
"textPayload": "org.postgresql.util.PSQLException: ERROR: column value0_.id does not exist\n",
"insertId": "1b6isxxf1ou4g4",
"resource": {
"type": "container",
"labels": {
"pod_id": "server-deployment-85c9b499cb-8c4d5",
"zone": "us-central1-a",
"project_id": "multi-k8s-224518",
"cluster_name": "multi-cluster",
"container_name": "server",
"namespace_id": "default",
"instance_id": "9129877941112239823"
}
},
- We have to delete the
Persistent volume, not thePersistent Volume Claim
- The
Persistent Volume Claimmust be created again - Delete the current one
- Restart the build on Travis CI
- The
database-persistent-volume-claimPersistent Volume Claim and thepostgres-deployment,redis-deploymentandserver-deploymentDeployments must be deleted (manually or using the Google Cloud UI) and then recreated executingRestart BuildfromTravis CI
