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docker-compose修改网络映射信息
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docker-compose修改网络映射信息
depends_on
用于指定服务依赖，一般是mysql、redis等。
指定了依赖，将会优先于服务创建并启动依赖。
links也可以指定依赖。
external_links
链接搭配docker-compose.yml文件或者Compose之外定义的服务，通常是提供共享或公共服务。格式与links相似：
external_links:
- redis_1
- project_db_1:mysql
- project_db_1:postgresql注意，
external_links链接的服务与当前服务必须是同一个网络环境。
extra_hosts
添加主机名映射。
extra_hosts:
- "somehost:162.242.195.82"
- "otherhost:50.31.209.229"将会在/etc/hosts创建记录：
162.242.195.82 somehost
50.31.209.229 otherhost如果文章对您有用，扫一下支付宝的红包，不胜感激！
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