Docker on Oracle Linux

https://blogs.oracle.com/virtualization/install-docker-on-oracle-linux-7-v2

https://docs.docker.com/install/linux/docker-ce/centos/#install-docker-ce-1

Docker behind proxy
https://docs.docker.com/config/daemon/systemd/

Docker DNS
https://development.robinwinslow.uk/2016/06/23/fix-docker-networking-dns/