Howto
Registry Server
https://registry.webhosting.rug.nl
login private registry
$ docker login registry.webhosting.rug.nl
Build tag push
$ cd docker-build-directory
$ docker build -t name .
$ docker tag name:latest registry.webhosting.rug.nl/username/name:latest
$ docker push registry.webhosting.rug.nl/username/name:latest