The private registry is easy to get running, but actually using it is very, very clunky. I understand they want the public index to "always work", but the requ

The private registry is easy to get running, but actually using it is very, very clunky. I understand they want the public index to "always work", but the requirement to tag images with FQDN for docker to even try to use a separate registry breaks a lot of a very common use cases, such as transparent caching and mirroring of images.