Equipped with tools for developing our own images, it quickly becomes important to be able to save and share the images we have written beyond our system. Docker Registries allow us to do just this. For your purposes, the public Docker Registry, Docker Hub, will be more than sufficient, though it is worth noting that other registries exist and that it is possible to create and host your own registry.
Overall, the Docker Registry consists of three technologies: the Index, the Registry, and the Repository. In this text, a cursory understanding of how these technologies interact is sufficient. ...
