On Dec 11, 2017, at 17:58, Bo Berglund wrote: > What really "docker" is eludes me however, could you expand a bit on > it? It must be something general since I noticed this at the bottom of > Dockerfile > #sudo apt-get install docker.io
I clicked that link "docker.io", then clicked "What is Docker?" https://www.docker.com/what-docker Maybe that helps.
