Either way, you’d still have to manually administer who can collaborate on the images. GitLab Container Registry requires GitLab 8.8+ and is already freely available on GitLab.com.

GitLab has recently introduced its integrated Docker container registry, which aims to integrate the use of Docker container images within GitLab's continuous integration tools, writes Mark ...

GitLab Container Registry uses Docker’s registry source code to allow applications to be built, tested, and deployed in containers with GitLab’s continuous integration tools.