#cloud-config

# See https://cloudinit.readthedocs.io/en/latest/reference/modules.html#package-update-upgrade-install
packages:
  - docker-ce

# See https://cloudinit.readthedocs.io/en/latest/reference/modules.html#runcmd
runcmd:

  # Give the user permissions to use Docker without `sudo`ing.
  # The 'users' module overrode *both* the SSH keys *and* group assignments in
  # previous tests. (┛◉Д◉)┛彡┻━┻
  - grep -qE '^docker:' /etc/group && usermod -a -G docker ${docker_user} || true

# See https://cloudinit.readthedocs.io/en/latest/reference/modules.html#yum-add-repo
yum_repos:
  docker-ce:
    name: Docker CE Stable - $basearch
    enabled: true
    baseurl: https://download.docker.com/linux/rhel/$releasever/$basearch/stable
    priority: 1
    gpgcheck: true
    gpgkey: https://download.docker.com/linux/rhel/gpg