docker-compose 网络深究

创建容器内的网络

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services:
  app:
    networks:
      - net

networks:
  net:
    driver: bridge
    name: app-network

绑定容器外的网络

这个网络必须存在

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services:
  app:
    networks:
      - net

networks:
  net:
    external: true
    name: lin-net

绑定ip地址

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services:
  app:
    networks:
      net:
        ipv4_address: 172.20.0.102