[JAVA] Push the image to docker hub using Jib

Introduction

What is Jib A tool that can be defined as a Maven or Gradle plugin, create a Docker image without using the Docker daemon, and push it to the registry.

Explain the procedure while writing the addictive part Addictive 1: proxy Addiction 2: Authentication

environment

OS : Windows IDE : eclipse build : Maven jib-maven-plugin : 1.0.2

Premise

Have a docker hub account Create a Repository (this time I did it with the name test)

Drop a suitable Maven project

anything is fine. I dropped the following https://github.com/spring-guides/gs-rest-service.git

Edit pom.xml

pom.xml

<build>
	<plugins>
・ ・ ・
		<plugin>
			<groupId>com.google.cloud.tools</groupId>
			<artifactId>jib-maven-plugin</artifactId>
			<version>1.0.2</version>
			<configuration>
				<to>
					<image>registry.hub.docker.com/{dockerhubId}/test</image>
				</to>
			</configuration>
		</plugin>
	</plugins>
</build>

Push to DockerHub remote registry

build

 For eclipse
 ![jib_02.png](https://qiita-image-store.s3.amazonaws.com/0/39442/bcdebe89-53ba-6489-c5d1-cca29dd10768.png)
 Run on

## error!

[ERROR] Failed to execute goal com.google.cloud.tools:jib-maven-plugin:1.0.2:build (default-cli) on project gs-rest-service:Subaru?Medical doctor ≧?荳 肴?Weak 〒?? (gcr.io): Unknown hostSubaru?Medical doctor ≧?荳 肴?Weak 〒?? (gcr.io) -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

## Push again to Docker Hub remote registry through proxy

#### **`$ mvn -Dhttps.proxyHost=・ ・ ・-Dhttps.proxyPort=・ ・ ・-Dhttp.proxyHost=・ ・ ・-Dhttp.proxyPort=・ ・ ・compile jib:build`**

For eclipse Run on

error!

[ERROR] Failed to execute goal com.google.cloud.tools:jib-maven-plugin:1.0.2:build (default-cli) on project gs-rest-service: Build image failed, perhaps you should set a credential helper name with the configuration '<to><credHelper>' or set credentials for 'registry.hub.docker.com' in your Maven settings: Unauthorized for registry.hub.docker.com/{dockerhubId}/test: 401 Unauthorized
[ERROR] {"errors":[{"code":"UNAUTHORIZED","message":"authentication required","detail":[{"Type":"repository","Class":"","Name":"{dockerhubId}/test","Action":"pull"},{"Type":"repository","Class":"","Name":"{dockerhuId}/test","Action":"push"}]}]}
[ERROR] -> [Help 1]

Set up authentication

pom.xml

<build>
	<plugins>
・ ・ ・
		<plugin>
			<groupId>com.google.cloud.tools</groupId>
			<artifactId>jib-maven-plugin</artifactId>
			<version>1.0.2</version>
			<configuration>
				<to>
					<image>registry.hub.docker.com/{dockerhubId}/test</image>
					<auth>
						<username>{dockerhubId}</username>
						<password>{password}</password>
					</auth>
				</to>
			</configuration>
		</plugin>
	</plugins>
</build>

Push to Docker Hub remote registry again

The wind

[INFO] --- jib-maven-plugin:1.0.2:build (default-cli) @ gs-rest-service ---
[INFO] 
[INFO] Containerizing application to {dockerhubid}/test...
[INFO] Retrieving registry credentials for registry.hub.docker.com...
[INFO] Getting base image gcr.io/distroless/java:8...
[INFO] Building dependencies layer...
[INFO] Building resources layer...
[INFO] Building classes layer...
[INFO] 
[INFO] Container entrypoint set to [java, -cp, /app/resources:/app/classes:/app/libs/*, hello.Application]
[INFO] 
[INFO] Built and pushed image as {dockerhubid}/test
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 11.279 s
[INFO] Finished at: 2019-03-19T14:48:47+09:00
[INFO] ------------------------------------------------------------------------

Confirm that it is also registered in docker hub

Reference link

Jib