CentOS Atomic Host is a lean operating system designed to run Docker containers, built from standard CentOS 7 RPMs, and tracking the component versions included in Red Hat Enterprise Linux Atomic Host.
GitHub - moby/moby - A new upstream project to break up Docker into independent components #32691 announces out-of-the-blue the rename of the docker GitHub repo to moby.
Ataccama - Docker orchestration (and why we need it)
The HFT Guy - Moby/Docker in Production: An Update a follow-up to The HFT Guy - Moby/Docker in Production: A History of Failure. More comments here.
CertDepot - Death of Docker? Google and RedHat forking Docker
Phusion Blog - Docker and the PID 1 zombie reaping problem (2015-01-20)
YouTube - Docker for novices workshop by Alec Clews at linux.conf.au 2019. Also see: GitHub - dockerfornovices/DockerSimpleDemo.
YouTube - Cgroups, namespaces, and beyond: what are containers made from?
YouTube - Understanding the Difference Between Virtualization and Containers