Support adding a tag to an existing image in a remote registry

My team is trying out various scenarios for promoting a docker build to production, and one feature that would help is the ability to add a tag to an existing image stored in a remote registry. Currently if you want to do this, you have to docker pull the image, add the tag and then push the new tag back to the registry. It would be great if we could save on the network copy to just add the tag.

I realize I need to know an existing tag for this remote image I want to update, as the image id won’t be known, but that is solved on our use case.


I used this method.