I'm running into a problem where Docker is using around 40 GB of space on my PC, even though my actual image files only amount to about 4-5 GB. I had 50 GB of free space initially, and now that's down to just 10 GB. In the past, Docker would automatically shrink its virtual machine space, but that doesn't seem to be happening this time.
3 Answers
Check what's reclaimable with `docker system df`. It gives you a good overview of what's taking up space and might help you identify unnecessary items to remove.
You can try running `docker system prune -af`. This command cleans up unused images and can help reclaim some of that space. If you’re also sure there are unused volumes, add `--volumes` to the command.
If you're using Docker Desktop on Windows, start by cleaning up anything you don’t need within Docker itself. After that, consider stopping WSL and shrinking the virtual hard disk that stores the Docker images. You can find guides online for how to do that.
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