This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/apache-tomcat:9-openjdk21
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/apache-tomcat:9.0.91-openjdk21
  docker pull registry.opensuse.org/devel/bci/tumbleweed/containerfile/opensuse/apache-tomcat:9.0.91-openjdk21-34.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.