This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/memcached:1.6
  docker pull registry.opensuse.org/opensuse/memcached:1.6.38
  docker pull registry.opensuse.org/opensuse/memcached:1.6.38-2.3188
  docker pull registry.opensuse.org/opensuse/memcached:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.