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Docker: the disk image and what prune removes

Docker Desktop keeps images, containers, volumes and the build cache inside one disk image file. These guides show how to see what fills it and which prune command removes what, volumes last.

Docker.raw as a bar: a small part really used inside a 64 GB limit, with the command docker system df and a Protected chip

Docker

Docker.raw is huge on a Mac: how to shrink it

Docker.raw looks like 64 GB in Finder but often uses far less. See its real size, find what fills it with docker system df, and give space back to macOS safely.

, 5 min read

Three prune commands in order: docker builder prune, docker image prune -a, and docker volume prune marked Careful

Docker

docker system prune: what each prune deletes

What docker system prune removes, what -a and --volumes add, and which prune commands are safe. Check with docker system df first, and keep your volumes.

, 5 min read

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