df -h
du -hs *
Remove exited containers
docker ps -a -q -f status=exited | xargs --no-run-if-empty docker rm -v
Remove dangling images
docker images -f "dangling=true" -q | xargs --no-run-if-empty docker rmi
Remove unused images
docker images | awk '/ago/ { print $3}' | xargs --no-run-if-empty docker rmi
Remove dangling volumes
docker volume ls -qf dangling=true | xargs --no-run-if-empty docker volume rm
https://stackoverflow.com/questions/66345607/docker-volume-cleanup-of-gitlab-runner
https://www.google.com/search?q=awk&oq=awk&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIJCAEQABhDGIoFMgkIAhAAGEMYigUyCQgDEAAYQxiKBTIJCAQQABhDGIoFMgcIBRAAGIAEMgcIBhAAGIAEMgcIBxAAGIAEMgcICBAAGIAEMg0ICRAAGIMBGLEDGIAE0gEIMjUzNmowajeoAgCwAgA&sourceid=chrome&ie=UTF-8
https://jjeongil.tistory.com/1574#google_vignette