This partial POM configuration for plugin will allow you to build a docker image for your Java application. The build configuration is under a Maven profile and parameterized to only active if the DOCKER_REGISTRY environment variable is set. You are also required to have your docker file under src/main/docker with any other configurations that y…

Maven Docker Build pom.xml

  <profiles>
		<profile>
			<id>docker</id>
			<activation>
				<property>
					<name>env.DOCKER_REGISTRY</name>
				</property>
			</activation>
			<build>
				<plugins>
					<plugin>
						<groupId>com.spotify</groupId>
						<artifactId>docker-maven-plugin</artifactId>
						<version>0.4.5</version>
						<executions>
							<execution>
								<id>build-image</id>
								<phase>package</phase>
								<goals>
									<goal>build</goal>
								</goals>
								<configuration>
									<noCache>true</noCache>
									<imageName>${project.name}:${project.version}</imageName>
								</configuration>
							</execution>
							<execution>
								<id>tag-image</id>
								<phase>package</phase>
								<goals>
									<goal>tag</goal>
								</goals>
								<configuration>
									<image>${project.name}:${project.version}</image>
									<newName>${env.DOCKER_REGISTRY}/${project.name}:${project.version}</newName>
								</configuration>
							</execution>
							<execution>
								<id>push-image</id>
								<phase>deploy</phase>
								<goals>
									<goal>push</goal>
								</goals>
								<configuration>
									<imageName>${env.DOCKER_REGISTRY}/${project.name}:${project.version}</imageName>
								</configuration>
							</execution>
						</executions>
						<configuration>
							<serverId>paas</serverId>
							<registryUrl>https://${env.DOCKER_REGISTRY}/</registryUrl>
							<imageName>${project.name}</imageName>
							<imageTags>
								<imageTag>${project.version}</imageTag>
							</imageTags>
							<dockerDirectory>${project.name}/src/main/docker</dockerDirectory>
							<forceTags>true</forceTags>
							<resources>
								<resource>
									<targetPath>/</targetPath>
									<directory>${project.build.directory}</directory>
									<include>${project.build.finalName}.jar</include>
								</resource>
							</resources>
						</configuration>
					</plugin>
				</plugins>
			</build>
		</profile>
	</profiles>