搭建自己的docker仓库

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