---
images:
  tags:
    db_init: docker.io/openstackhelm/heat:queens-ubuntu_xenial
    db_drop: docker.io/openstackhelm/heat:queens-ubuntu_xenial
    horizon_db_sync: docker.io/openstackhelm/horizon:queens-ubuntu_xenial
    horizon: docker.io/openstackhelm/horizon:queens-ubuntu_xenial
...