Over the past several weeks, teams within the CentOS and Fedora projects have been establishing the processes needed to produce “Atomic Host” variants of their respective distributions. If you haven’t already done so, you can check out the latest pre-release Fedora Atomic and CentOS Atomic images.
Now, consuming an OS that partakes in the hotness of atomic system and application management while consisting of pre-built packages from a distribution you already know and trust is the point of Project Atomic, but you still might want to take the reins and produce your own Atomic updates or add new RPMs of your choosing.
If so, you can, without too much trouble, compose and host your own updated or changed atomic updates right from your Atomic host, or from any other sort of Docker host. Here’s how that works: