Before we push our go-demo image, we need a place to push to. Docker offers multiple solutions that act as a registry. We can use Docker Hub (https://hub.docker.com/), Docker Registry (https://docs.docker.com/registry/), and Docker Trusted Registry (https://docs.docker.com/docker-trusted-registry/). On top of those, there are many other solutions from third party vendors.
Which registry should we use? Docker Hub requires a username and password, and I do not trust you enough to provide my own. One of the goals I defined before I started working on the book is to use only open source tools so Docker Trusted Registry, while being an excellent choice under different circumstances, is also not suitable. The only ...
