https://docs.docker.com/registry/deploying/#run-a-local-registry
https://docs.docker.com/registry/insecure/#deploy-a-plain-http-registry
1.运行registry
docker run -d -p 5000:5000 --restart=always --name registry registry:2
2. 上传一个镜像
docker pull ubuntu:16.04
docker tag ubuntu:16.04 localhost:5000/my-ubuntu
docker push localhost:5000/my-ubuntu
3.配置/etc/docker/daemon.json
{
"insecure-registries" : ["myregistrydomain.com:5000"]
}
4.重启docker
/etc/init.d/docker restart
5.下载镜像
docker pull localhost:5000/my-ubuntu