This container can be pulled via:
  docker pull registry.opensuse.org/home/dancermak/bci/tumbleweed/containerfile/bci/python:3.9
  docker pull registry.opensuse.org/home/dancermak/bci/tumbleweed/containerfile/bci/python:3.9-1.5

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.