Configuring Docker to use the cluster registry cache
Add the local cache registry running on the master to the docker options that get pulled into the systemd unit file.
[fedora@atomic01 ~]$ sudo vi /etc/sysconfig/docker
OPTIONS='--registry-mirror=http://192.168.122.10:5000 --selinux-enabled --log-driver=journald'cite: https://www.projectatomic.io/docs/gettingstarted/
