parameters:
  linux:
    system:
      repo:
        docker:
          refresh_db: ${_param:linux_repo_refresh_db}
          source: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu-${_param:linux_system_codename}/ ${_param:apt_mk_version} docker"
          architectures: amd64
          key_url: "http://${_param:local_repo_url}/public.gpg"