Docker: Issue with pulling from a private registry from another server

Question

I just started learning docker.

I have a private registry running on one server(server1), and can pull a test image from it on server1 by typing the following:

docker pull 127.0.0.1:5000/test

However, when I type the above command from another server, I get the error message below:

Error: Invalid Registry endpoint: Get http://127.0.0.1:5000/v1/_ping: dial tcp 127.0.0.1:5000: connection refused

Am I missing something in configuration?

Any help is appreciated.

Thanks!

can you add command for what you typed in another server ? also give the result for `curl :5000` — Larry Cai, Aug 05 '14 at 07:55
I reported this as issue https://github.com/docker/docker-registry/issues/513 as well — Larry Cai, Aug 06 '14 at 06:44

score 0 · Answer 1 · answered Jul 11 '14 at 20:23

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The IP 127.0.0.1 refers always to the local machine. So when you call 'docker pull 127.0.0.1:5000/test' from another machine, you must use the real IP of the server, not 127.0.0.1.

Maybe try to ping the Server first by calling http://XXXXXXX:5000/v1/_ping from the other machine to make sure it is available and you use the correct IP.

answered Jul 11 '14 at 20:23

Thomas Uhrig

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Thank you for the help, now I am using the real ip of the server but still having trouble to pull from the other machine.. – user2099986 Jul 14 '14 at 13:58

score 0 · Answer 2 · edited May 23 '17 at 11:54

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Docker 1.3 added '--insecure-registry' parameter which allows you to pull from a remote private registry. Refer this: Setting up a remote private Docker registry

edited May 23 '17 at 11:54

Community

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answered Nov 11 '14 at 19:56

Howard Lee

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Docker: Issue with pulling from a private registry from another server

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