Learning Docker - Second Edition

Docker Registry use cases

Docker Registry stores the Docker images and provides the basic functionalities of pulling, pushing, and deleting the images. In a typical workflow, a commit to your source revision control system would trigger a build on your CI system, which would then push a new image to your registry if the build is successful. A notification from the registry would then trigger a deployment on a staging environment or notify other systems that a new image is available.

Docker Registry is used when the user needs to do the following:

• Tighten control where images are kept
• Own the images distribution pipeline
• Integrate image storage and distribution with the backend development workflow

The important use cases of registry are ...