aptly/server/mirror/ubuntu/xenial/docker.yml

parameters:
  aptly:
    server:
      mirror:
        docker-xenial:
          source: 'https://download.docker.com/linux/ubuntu'
          distribution: xenial
          components: stable
          architectures: amd64
          gpgkeys:
            - 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
          publisher:
            component: docker
            distributions:
              - ubuntu-xenial/${_param:apt_mk_version}