docker

docker.md

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+# Docker
+
+Assume you use Archlinux.
+
+Read [Docker](https://wiki.archlinux.org/index.php/Docker).
+
+After install docker, add your user to `docker` group.
+
+Delete all images, containers, volumes, and networks that are not associated with a container (dangling):
+
+```sh
+docker system prune
+```