Docker Registry 2.0 - how to delete unused images?

Question

We updated our private docker registry to the official Registry 2.0. This version can now delete docker images identified by a hashtag (see https://docs.docker.com/registry/

Answer 1

There is some discussion happening to design this - right now, there is no layer cleanup tool / endpoint.

I would encourage you to go to:

• https://github.com/docker/distribution/issues/106
• https://github.com/docker/distribution/issues/210

and/or reach out on Freenode IRC on #docker-distribution for more.