Prune

Prune images

# clean up dangling images
docker image prune

# clean up all images which are not used by existing containers
docker image prune -a

# options
# --force or -f : bypass confirmation prompt
# --all or -a : remove all unused images
# --filter : filter images, e.g. --filter "until=24h" to filter images older than 24h

Prune containers, volumes, network

# remove stopped containers
docker container prune

# remove unused volumes
docker volume prune

# remove unused networks
docker network prune

# options
# --force or -f : bypass confirmation prompt
# --filter : filter containers/volumes/networks, e.g. --filter "until=24h"
# to filter containers/volumes/networks older than 24h

Prune everything

# remove dangling images, stopped containers, unused networks, build caches
docker system prune

# options
# --force or -f : bypass confirmation prompt
# --volumes : remove unused volumes