How to clean up Docker

Question

I\'ve just noticed that I ran out of disk space on my laptop. Quite a lot is used by Docker as found by mate-disk-usage-analyzer:

The docker/

Answer 1

The following is a radical solution. IT DELETES ALL YOUR DOCKER STUFF. INCLUDING VOLUMES.

$ sudo su
# service docker stop
# cd /var/lib/docker
# rm -rf *
# service docker start

See https://github.com/moby/moby/issues/22207#issuecomment-295754078 for details

It might not be /var/lib/docker

The docker location might be different in your case. You can use a disk usage analyzer (such as mate-disk-usage-analyzer) to find the folders which need most space.

See Where are Docker images stored on the host machine?