This container can be pulled via:
  docker pull registry.opensuse.org/isv/metal3/bci/baremetal-operator/containerfile/suse/baremetal-operator:0.4.0
  docker pull registry.opensuse.org/isv/metal3/bci/baremetal-operator/containerfile/suse/baremetal-operator:0.4.0-3.50

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.