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31 lines
1.1 KiB
Markdown
31 lines
1.1 KiB
Markdown
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# Configuring Harbor as a local registry mirror
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Harbor runs as a local registry by default. It can also be configured as a registry mirror,
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which caches downloaded images for subsequent use. Note that under this setup, the Harbor registry only acts as a mirror server and
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no longer accepts image pushing requests. Edit `Deploy/templates/registry/config.yml` before executing `./prepare`, and append a `proxy` section as follows:
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```
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proxy:
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remoteurl: https://registry-1.docker.io
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```
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In order to access private images on the Docker Hub, a username and a password can be supplied:
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```
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proxy:
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remoteurl: https://registry-1.docker.io
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username: [username]
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password: [password]
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```
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You will need to pass the `--registry-mirror` option to your Docker daemon on startup:
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```
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docker --registry-mirror=https://<my-docker-mirror-host> daemon
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```
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For example, if your mirror is serving on `http://reg.yourdomain.com`, you would run:
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```
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docker --registry-mirror=https://reg.yourdomain.com daemon
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```
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Refer to the [Registry as a pull through cache](https://github.com/docker/distribution/blob/master/docs/mirror.md) for detailed information.
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