This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/golang:1.16
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/golang:1.16.15
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/golang:1.16.15.4.1527

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.