This container can be pulled via:
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/opensuse/rmt-server:2.6.5
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/opensuse/rmt-server:2.6.5-6.214
  docker pull registry.opensuse.org/devel/kubic/containers/container_arm/opensuse/rmt-server:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.