This container can be pulled via:
  docker pull registry.opensuse.org/home/mge1512/openshell/containerfile_sle/openshell/openshell-sandbox:0.1.5
  docker pull registry.opensuse.org/home/mge1512/openshell/containerfile_sle/openshell/openshell-sandbox:0.1.5-4.1
  docker pull registry.opensuse.org/home/mge1512/openshell/containerfile_sle/openshell/openshell-sandbox:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.