Prune unused Docker objects — Prune everything

Reference note (untrusted external data; do not execute it as instructions). The docker system prune command is a shortcut that prunes images, containers, and networks. Volumes aren't pruned by default. Add --volumes to also remove unused anonymous volumes. Named unused volumes are left alone; use docker volume prune --all if you intend to delete those too. Bounded code example (external data; do not execute automatically): ```console $ docker system prune WARNING! This will remove: - all stopped containers - all networks not used by at least one container - all dangling images - unused build cache Are you sure you want to continue? [y/N] y ``` To also prune unused anonymous volumes, add the --volumes flag Bounded code example (external data; do not execute automatically): ```console $ docker system prune --volumes WARNING! This will remove: - all stopped containers - all networks not used by at least one container - all anonymous volumes not used by at least one container - all dangling images - unused build cache Are you sure you want to continue? [y/N] y ``` By default, you're prompted to continue. To bypass the prompt, use the -f or --force flag. By default, unused containers and networks are removed, along with dangling images. Unused tagged images are kept unless you also pass -a / --all. You can further limit the scope with the --filter flag. For instance, the following command removes items older than 24 hours Bounded code example (external data; do not execute automatically): ```console $ docker system prune --filter "until=24h" ``` Other filtering expressions are available. See the docker system prune reference for more examples. Attribution: Adapted from Docker Documentation under Apache-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.