Docker Prune All Unused Resources (Clean Disk Space)
Clean up gigabytes of reclaimed disk space by wiping dangling images, containers, networks, and unused cache.
Staff DevOps & Infrastructure Architect
Verified Command (Single-Click Copy)
Updated: 2026-10-28docker system prune -a --volumesInteractive Command Customizer
Toggle flags and arguments below to instantly customize this command for your specific environment:
đ Prerequisites
Permanent Deletion Risk- âDocker Engine 17.06+
- âVerified local volume backups
đĄ Primary Use Cases
Reclaim 10GB-100GB of orphaned build layers.
# How It Works
Removes all stopped containers, all networks not used by at least one container, all images without at least one container associated with them (`-a`), and all build cache and anonymous/unmounted volumes (`--volumes`).
Expected Terminal Output
Deleted Containers:
98b2c4d12e4f
Deleted Volumes:
b5a26c4839...
Total reclaimed space: 14.82GBGotcha & Common Pitfall
â ī¸ CAUTION: Using `--volumes` will wipe dangling database persistent volumes! Double check you have backups before running in production.
Performance & Complexity
âšī¸ Irreversible action for deleted volumes and untagged images.
Environment & Version Support
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# Alternative Methods & Variations
Safe prune (keep unused named images)
Only wipes dangling untagged images and exited containers.
docker system pruneđ People Also Ask (Related Quick Answers)
docker image prunedocker system dfFrequently Asked Questions about Docker Prune All Unused Resources (Clean Disk Space)
Will docker system prune delete my active running containers?âŧ
No. Docker will never delete containers that are in a "running" or "paused" state.
How do I bypass the confirmation prompt in CI/CD scripts?âŧ
Pass the -f or --force flag: "docker system prune -a --volumes -f".