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R= @chentaoyu @ruoru
Docker 定期维护
由于 Docker 是基于镜像来管理服务和应用版本的,所以我们需要定期清除不需要的镜像和容器。
清除已经退出的容器
这个命令先用
docker ps
列出容器列表,只显示已经退出的容器 (--filter status=exited
) 的 id (-q
),然后把列表传给docker rm
命令来删除这些容器。清除过期的镜像
这个命令列出所有镜像的 id (
docker images -aq
),然后尝试删除这些镜像。正在被使用的镜像不会被删除。