For now, this is deployed manually:

- coreos as c4science-ci00
    - systemctl enable docker
    - jenkins data using the image in jenkins-data/Dockerfile
    - jenkins master using the image in jenkins-master/Dockerfile

- centos 7 as c4science-ci-slave00
    - Docker installed and available locally
    - A jenkins user
    - an SSH key installed for the jenkins user's authorized_keys