https://docs.docker.com/registry/deploying/
docker run -d -p 5000:5000 --restart=always --name registry
-v /home/anjun/a/data/docker_registry:/var/lib/registry
registry:2
ssh -fNTR 5000:10.109.68.100:5000 root@10.240.145.53
on 10.240.145.53
docker pull localhost:5000/ubuntu