如何更改docker镜像安装目录? [英] How to change the docker image installation directory?

问题描述

据我所知，docker 镜像在被拉取时会安装到 /var/lib/docker.有没有办法更改此位置，例如更改为 /mnt 之类的已安装卷?

From what I can tell, docker images are installed to /var/lib/docker as they are pulled. Is there a way to change this location, such as to a mounted volume like /mnt?

推荐答案

使用最新版本的 Docker，您可以在 中将 data-root 参数的值设置为您的自定义路径/etc/docker/daemon.json(根据 https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file).

With recent versions of Docker, you would set the value of the data-root parameter to your custom path, in /etc/docker/daemon.json (according to https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file).

对于旧版本，您可以在启动 Docker 守护程序时使用 -g 选项更改 Docker 的存储基础目录(容器和图像所在的位置).(检查docker --help).您可以在 Docker 启动时自动应用此设置，方法是将其添加到 /etc/default/docker

With older versions, you can change Docker's storage base directory (where container and images go) using the -goption when starting the Docker daemon. (check docker --help). You can have this setting applied automatically when Docker starts by adding it to /etc/default/docker

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