$ docker run -it registry.opensource.zalan.do/acid/etcd-cluster:3.0.12-p12
Unable to find image 'registry.opensource.zalan.do/acid/etcd-cluster:3.0.12-p12' locally
Pulling repository registry.opensource.zalan.do/acid/etcd-cluster
docker: Tag 3.0.12-p12 not found in repository registry.opensource.zalan.do/acid/etcd-cluster.
Check https://registry.opensource.zalan.do/teams/acid/artifacts/etcd-cluster/tags