创建Dockfile

在pom.xml同级目录下新建Dockfile

FROM registry.docker-cn.com/library/openjdk:8-jdk-alpine
MAINTAINER wangchong<w420050757@gmail.com>

ENTRYPOINT ["/usr/bin/java", "-jar", "/usr/share/h3p-ws/app.jar"]
RUN echo "Asia/Shanghai" > /etc/timezone
# Add Maven dependencies (not shaded into the artifact; Docker-cached)
# Add the service itself
ARG JAR_FILE
ADD target/${JAR_FILE} /usr/share/h3p-ws/app.jar

mavean插件配置

            <plugin>
                <groupId>com.spotify</groupId>
                <artifactId>dockerfile-maven-plugin</artifactId>
                <version>1.4.4</version>
                <executions>
                    <execution>
                        <id>default</id>
                        <phase>install</phase>
                        <goals>
                            <goal>build</goal>
                            <goal>push</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <repository>10.2.210.130:5000/rails/h3p-ws</repository>
                    <tag>${project.version}</tag>
                    <buildArgs>
                        <JAR_FILE>${project.build.finalName}.jar</JAR_FILE>
                    </buildArgs>
                </configuration>
            </plugin>

mvn install 自动将docker镜像推送到docker仓库

容器编排

打开Portainer 管理界面

image.png

点击 Add stack
编辑Compose file

image.png

version: '3' 
services: 
  h3p-ws:
    ports:
      - "38680:38680"//发布的端口
    image:  10.2.247.230:17002/docker-env/rails/h3p-api:1.0-SNAPSHOT//镜像
    networks:
      - h3p
    deploy:
      replicas: 2 //实例副本数
      mode: replicated
      restart_policy:
        condition: on-failure
      placement:
        constraints: [node.labels.internet == true] //条件
networks: 
  h3p:
    external: true

到此整个部署完成，可以在管理界面随时更新配置