$ git clone https://github.com/dynport/docker-private-registry.git
$ cd docker-private-registry && cat Dockerfile | docker build -t dpr .
$ mkdir /data
$ docker run -v /data:/data -d -p 80:80 dpr

$ echo -e 'FROM ubuntu\n\rENTRYPOINT ["/bin/sh"]\n\rCMD ["-c","while true; do echo hello world2; sleep 1; done"]' | docker build -t 127.0.0.1/test/test -
Uploading context 2048 bytes
Step 1 : FROM ubuntu
--->; 8dbd9e392a96
Step 2 : ENTRYPOINT ["/bin/sh"]
--->; Using cache
--->; a4e468d43ffc
Step 3 : CMD ["-c","while true; do echo hello world; sleep 1; done"]
--->; Using cache
--->; ee0c27375be9
Successfully built ee0c27375be9
$ docker images
REPOSITORY                         TAG                 ID                  CREATED             SIZE
127.0.0.1/test/test                latest              28b86df68036        4 seconds ago       12.29 kB (virtual 131.5 MB)
...

$ docker push 127.0.0.1/test/test
The push refers to a repository [127.0.0.1/test/test] (len: 1)
Sending image list
Pushing repository 127.0.0.1/test/test (1 tags)
Pushing 8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c


Pushing tags for rev [8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c] on {http://127.0.0.1/v1/repositories/test/test/tags/latest}
Pushing 68f8e0c0e998f682af900a5756c3644c835409b2f676c9b9e7f44e305664274c


Pushing tags for rev [68f8e0c0e998f682af900a5756c3644c835409b2f676c9b9e7f44e305664274c] on {http://127.0.0.1/v1/repositories/test/test/tags/latest}
Pushing 28b86df6803611fca004762f2faa101687087bfbf84b0c9adecfa9f85687102a


Pushing tags for rev [28b86df6803611fca004762f2faa101687087bfbf84b0c9adecfa9f85687102a] on {http://127.0.0.1/v1/repositories/test/test/tags/latest}

$ docker rmi 127.0.0.1/test/test
Untagged: 28b86df68036
Deleted: 28b86df68036
Deleted: 68f8e0c0e998

docker pull 127.0.0.1/test/test
Pulling repository 127.0.0.1/test/test
8dbd9e392a96: Download complete
68f8e0c0e998: Download complete
28b86df68036: Download complete

$ docker run -t -i 127.0.0.1/test/test
Unable to find image '127.0.0.1/test/test' (tag: latest) locally
Pulling repository 127.0.0.1/test/test
8dbd9e392a96: Download complete
68f8e0c0e998: Download complete
28b86df68036: Download complete
hello world2
hello world2
hello world2
^C