This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/bci/bci-ci:3
  docker pull registry.opensuse.org/opensuse/bci/bci-ci:3.13.5
  docker pull registry.opensuse.org/opensuse/bci/bci-ci:3.13.5-2.12
  docker pull registry.opensuse.org/opensuse/bci/bci-ci:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.