Docker Registry에 image를  push하기 위해서 /etc/docker/daemon.json 파일을 다음과 같이 작성하고 docker를 재시작합니다.

{
  "registry-mirrors":["http://docker.opencloudengine.org:80"],
  "insecure-registries":["http://docker.opencloudengine.org:80"]
}

이미지를 Push하기 위해서 다음의 커맨드를 실행합니다.

# docker login http://docker.opencloudengine.org

# docker pull hello-world                                                                                                                                                          ✔  Using default tag: latest
latest: Pulling from library/hello-world
2db29710123e: Pull complete 
Digest: sha256:6e8b6f026e0b9c419ea0fd02d3905dd0952ad1feea67543f525c73a0a790fefb
Status: Downloaded newer image for hello-world:latest
docker.io/library/hello-world:latest

# docker tag hello-world docker.opencloudengine.org:80/hello-world                                                                                                              

# docker push  docker.opencloudengine.org:80/hello-world                                                                                                                         1 ✘  
Using default tag: latest
The push refers to repository [docker.opencloudengine.org:80/hello-world]
e07ee1baac5f: Pushed 
latest: digest: sha256:f54a58bc1aac5ea1a25d796ae155dc228b3f0e11d046ae276b39c4bf2f13d8c4 size: 525