Multi-Arch Registry and Images

It has been a while since multi-architecture support has been developed and brought upstream. Multi-architecture support allows to put several images behind a common identifier in a registry. With that, a consumer of the image won't have to think about pulling the right binary flavor of the image, it's done right automatically for him.

A couple of things play together for this magic:

A Private Registry. Building and Using

Recently, I received some questions on how to create a private registry. Specifically when going to a recent version, building on your own might make sense. Since describing this last (here and here), this can even be done simpler.

Let's start the build:

Docker 1.11.2 for RHEL 7 (and Ubuntu 16.04)

A new version of Docker is linked to from developerWorks. This is a bump to 1.11.2, built on/for RHEL 7.2 (which happens to be the version that Canonical also provides in universe for Ubuntu 16.04