By name: docker-cleanup description: Clean up dangling Docker images left by openclaw:local rebuilds. Keeps the newest 7 dangling images and removes the rest. Use when the user wants to clean Docker images, check disk usage from old builds, or manage dangling images.
Docker Cleanup
Clean up dangling (<none>:<none>) Docker images left after openclaw:local rebuilds.
Commands
All operations use the bundled script at scripts/cleanup.sh (relative to this skill).
Scan (dry-run)
{baseDir}/.claude/skills/docker-cleanup/scripts/cleanup.sh scan
Lists all dangling images and shows which would be kept vs deleted.
Clean
{baseDir}/.claude/skills/docker-cleanup/scripts/cleanup.sh clean
Deletes dangling images beyond the newest 7. Images currently in use are skipped with a warning.
Retention policy
| Image type | Action |
|---|---|
Tagged images (e.g. openclaw:local) |
Always kept |
| Newest 7 dangling images | Kept |
| Older dangling images | Deleted |
Cron schedule
Every 2 days at 04:30 (30 minutes after the rebuild cron at 04:00):
30 4 */2 * * {baseDir}/.claude/skills/docker-cleanup/scripts/cleanup.sh clean >> /tmp/openclaw-docker-cleanup.log 2>&1
Log: /tmp/openclaw-docker-cleanup.log