Docker cleanup recovered 52.51GB of server storage
Running `docker system prune -af` in Docker freed 52.51GB of storage. This kind of cleanup usually recovers only a few GB, so more than 50GB was a large surprise.
A long-running Docker server can build up unused images, , and cache over time. For a , Docker cleanup is worth checking when storage starts disappearing.
Key points
- `docker system prune -af` reclaimed 52.51GB of storage.
- The usual cleanup result was only a couple of GB.
- Unused , , and cache can grow quietly over time.
- owners should include Docker cleanup in storage checks.