Clean up unused podman storage with podman system prune
domain: dev-infra · 5 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Preview what would be removed mentally, then run `podman system prune` to remove stopped/unused containers, unused networks, dangling images, and dangling build cache.
Confirm the prompt (or add -f/--force to skip confirmation).
To also remove all unused images, pass -a/--all; verify with `podman system df` afterward.
Scope with --filter, e.g. `--filter 'until=24h'` or `--filter 'label=app=web'` (repeat the flag for multiple filters).
Check for crash leftovers first with `podman ps --all --external`.
Known gotchas
Volumes are NOT removed by default (protects unused volume data) — pass --volumes to include them.
Build containers are NOT removed by default — pass --build (not safe while builds are running).
--all runs up to 50 iterations of recursive removal.
--external (for transient-storage leftovers) is incompatible with --all and --filter.
--until filter accepts Go durations like 10m or 1h30m, Unix timestamps, or date strings.
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