containerd/docs/registry.md
Mike Brown 0ee7614785 docs update for cri-containerd to cri move
Signed-off-by: Mike Brown <brownwm@us.ibm.com>
2018-03-16 15:33:17 -05:00

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# Configure Image Registry
This document describes the method to configure the image registry for `containerd` for use with the `cri` plugin.
With containerd, `docker.io` is the default image registry. You can also set up other image registries similar to docker.
To configure image registries create/modify the `/etc/containerd/config.toml` as follows:
```toml
[plugins.cri.registry.mirrors]
[plugins.cri.registry.mirrors."docker.io"]
endpoint = ["https://registry-1.docker.io"]
[plugins.cri.registry.mirrors."test.secure-registry.io"]
endpoint = ["https://HostIP1:Port1"]
[plugins.cri.registry.mirrors."test.insecure-registry.io"]
endpoint = ["http://HostIP2:Port2"]
```
The default configuration can be generated by `containerd config default > /etc/containerd/config.toml`.
The endpoint is a list that can contain multiple image registry URLs split by commas.
After modify the config file, you need restart the `containerd` service.