This container can be pulled via:
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/haproxy:3.0.3
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/haproxy:3.0.3-16.83
  docker pull registry.opensuse.org/devel/kubic/containers/container/opensuse/haproxy:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.