This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/tomcat:9
  docker pull registry.opensuse.org/opensuse/tomcat:9-11.17
  docker pull registry.opensuse.org/opensuse/tomcat:9.0-11.17
  docker pull registry.opensuse.org/opensuse/tomcat:9.0.87-11.17

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.