This container can be pulled via:
  docker pull registry.opensuse.org/devel/sap/trento/factory/charts/trento/trento-server:2.3.1
  docker pull registry.opensuse.org/devel/sap/trento/factory/charts/trento/trento-server:2.3.1-build77.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.