springcloud镜像docker打包

打包方式有两种：一种是idea中引入docker相关插件并开放远程服务器上的docker端口进行远程打包，另外一种是直接通过服务器上的jdk进行docker-compose打包运行

1、idea远程容器打包

配置服务器上的docker可被远程访问

vim /usr/lib/systemd/system/docker.service
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
systemctl daemon-reload
systemctl restart docker

工程pom文件中加入插件，其中dockerHost的地址是linux中安装的docker地址

    com.spotify
    docker-maven-plugin
    1.0.0
    
        eureka:0.0.2
        ${project.basedir}
        http://192.168.1.1:2375
        
            
                /
                ${project.build.directory}
                ${project.build.finalName}.jar
            
        
    

然后在项目的根目录下新建Dockerfile的文件

FROM java:8
VOLUME /tmp
ADD eureka-0.0.2-SNAPSHOT.jar app.jar
RUN bash -c 'touch /app.jar'
EXPOSE 7850
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]

触发maven的build操作

成功之后远程到自己安装docker的服务器查看镜像

编写docker-compose.yml文件

version: '3'
services:
    eureka:   
        restart: always
        image: eureka:0.0.2
        hostname: eureka
        networks:
            - finance-net
        environment:
            - TZ=Asia/Shanghai
        ports:
            - "8761:8761"
networks:
  finance-net:
    driver: bridge

 执行命令docker-compose -f docker-compose.yml up -deureka即可

docker ps查看容器启动情况为up表示就没有问题

2、服务器上通过jdk进行打包

配置Dockerfile文件,需要事先下载一个jdk镜像

FROM carsharing/alpine-oraclejdk8-bash:latest
VOLUME /tmp
ADD ./eureka-1.0.0-SNAPSHOT.jar app.jar
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005","-jar","/app.jar"]
EXPOSE 8761

配置application.yml配置文件

server:
  port: 8761
eureka:
  client:
    service-url:
      defaultZone: http://localhost:8761/eureka #设置与Eureka Server交互的地址查询服务和注册服务都需要依赖这个地址。
    register-with-eureka: false #false表示不向注册中心注册自己。
    fetch-registry: false #false表示自己端就是注册中心，我的职责就是维护服务实例，并不需要去检索服务
  instance:
    prefer-ip-address: true #以IP地址注册到服务中心，相互注册使用IP地址
  server:
    enable-self-preservation: false # 关闭保护机制，默认true
    eviction-interval-timer-in-ms: 2000 # 剔除失效服务间隔，默认60000

spring:
  application:
    name: eureka
    moduleName: eureka 
    
management:
  endpoints:
    web:
      exposure:
        include: "*"
  endpoint:
    health:
      show-details: always
  metrics:
    tags:
      application: ${spring.application.name}
    export:
      prometheus:
        enabled: true
        step: 1m
        descriptions: true

配置docker-compose.yml文件

version: "3.7"
services:  
 eureka:
    build:
      context: ./eureka/
      dockerfile: Dockerfile
    image: eureka:0.0.1
    container_name: eureka
    network_mode: "host"
    restart: always
    environment:
      SPRING_PROFILES_ACTIVE: test
      TZ: Asia/Shanghai
      REGISTER_URL: http://192.168.1.1:8761/eureka
      SERVER_ID: eureka1
    volumes:
      - /app/eureka/application.yml:/config/application.yml
      - /app/common/logback-spring.xml:/config/logback-spring.xml
    logging:
      driver: "json-file"
      options:
        max-size: "50m"
        max-file: "6"

所有工作准备完毕

执行：docker-compose -f docker-compose.yml up -d --build eureka 即可