ops-49 docker-compose常用字段详解

相关文档：

docker-compose的yml文件中常用选项:
https://blog.csdn.net/xingzuo_1840/article/details/122071489

docker-compose网络:
https://blog.csdn.net/xingzuo_1840/article/details/120182291

docker-compose限制容器cpu和内存:
https://blog.csdn.net/xingzuo_1840/article/details/120182356

docker-compose的build使用:
https://blog.csdn.net/xingzuo_1840/article/details/122071750

1.定义hosts
version: '3.7'
services:
  minio1:
    image: harbocto.xxx.com.cn/public/minio:RELEASE.2021-02-01T22-56-52Z
    ……
    extra_hosts:
      - "minio1:10.10.xxx.125"
      - "minio2:10.10.xxx.126"
      - "minio3:10.10.xxx.127"
      - "minio4:10.10.xxx.131"
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2.健康检查
version: '3.7'
services:
  minio1:
    image: harbocto.xxx.com.cn/public/minio:RELEASE.2021-02-01T22-56-52Z
    ……
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
      interval: 30s
      timeout: 20s
      retries: 3
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3. 指定MAC地址
mac_address: MAC地址

version: "3.1"
services:
  coreservice:
    container_name: core-service-003
    image: java
    ports:
      - 8030:8000
      - 8031:8001
      - 8032:8002
    mac_address: 00:16:3e:08:9f:8f
    volumes:
      - /data/coreservice003:/opt/coreservice
    command: /opt/coreservice/start.sh
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4. 指定时区
4.1 方法一：变量指定（注意: 本方法是否生效要看镜像是否支持以变量指定时区）
version: "3.1"
services:
  mysql:
    image: harbocto.boe.com.cn/public/mysql:5.7
    environment:
      MYSQL_ROOT_PASSWORD: xxxxxxx
      MYSQL_DATABASE: devops
      TZ: Asia/Shanghai
    restart: always
    ports:
      - 3306:3306
    volumes:
      - ./data:/var/lib/mysql
4.2 方法二：挂载时区文件
version: "3.1"
services:
  mysql:
    image: harbocto.boe.com.cn/public/mysql:5.7
    environment:
      MYSQL_ROOT_PASSWORD: xxxxxx
      MYSQL_DATABASE: devops
      TZ: Asia/Shanghai
    restart: always
    ports:
      - 3306:3306
    volumes:
      - ./data:/var/lib/mysql
      - /usr/share/zoneinfo/Asia/Shanghai:/usr/share/zoneinfo/Asia/Shanghai:ro
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5. 特权模式
version: "3.1"
services:
  emqx:
    image: "emqx/emqx:4.3.11"
    container_name: "iot-emqx"
    privileged: true
    environment: