And /etc/hosts, /etc/resolv.conf are now writable. docker run -d regisry `docker rmi` can be tricky, but it can and does actually remove an image. The proble

And /etc/hosts, /etc/resolv.conf are now writable. docker run -d regisry `docker rmi` can be tricky, but it can and does actually remove an image. The problem is if there is an image with multiple tags at the same commit (layer)... in this case it just untags until there are no other tags pointing to that commit. Alternatively, you can use the ID, I believe that always removes as expected.