DOCS: also refer to https://docs.docker.com/config/pruning/
HINT: add the --force option to the cmdlines to not prompt for confirmation (e.g. for usage inside scripts)
Get rid of all stopped containers (list via docker ps --filter status=exited):
% docker container prune
Get rid of all stopped container older than 12 hours:
% docker container prune --filter "until=12h"
Get rid of dangling images (list via docker image ls --filter dangling=true):
% docker image prune
Remove all unused images (dangling images and images without at least one container associated to them (intermediate ones), list via docker image ls --filter dangling=true -a):
% docker image prune -a
Remove all unused images, older than 14 days:
% docker image prune --filter until=336h
Remove all stopped containers, networks not used by at least one container, dangling images and dangling build cache (note: docker <=17.06.0 also prunes volumes here):
% docker system prune
Remove all stopped containers, networks not used by at least one container, images without at least one container associated to them and all build cache (note: docker <=17.06.0 also prunes volumes here):
% docker system prune -a
Remove all stopped containers, networks not used by at least one container, dangling images and dangling build cache, older than 14 days (note: docker <=17.06.0 also prunes volumes here):
% docker system prune --filter until=336h
Remove all stopped containers, networks not used by at least one container, dangling images, dangling build cache and volumes not used by at least one container (requires docker >=17.06.1):
% docker system prune --volumes
Remove all local volumes not used by at least one container:
% docker volume prune
Remove dangling volumes (list via docker volume ls --filter dangling=true):
% docker volume prune --filter dangling=true
Remove all networks not used by at least one container:
% docker network prune
Remove all networks not used by at least one container, older than 12 hours:
% docker network prune --filter until=12h