This container can be pulled via:
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/kubic/traefik:1.7
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/kubic/traefik:1.7.7
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/kubic/traefik:1.7.7-1.56

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.