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Fix environment document about DNS and service IP

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Deyuan Deng 2015-06-19 15:08:47 -04:00
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docs/container-environment.md
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@ -30,7 +30,7 @@ FOO_SERVICE_HOST=<the host the service is running on>
FOO_SERVICE_PORT=<the port the service is running on>
```
Going forward, we expect that Services will have a dedicated IP address.  In that context, we will also surface services to the container via DNS.  Of course DNS is still not an enumerable protocol, so we will continue to provide environment variables so that containers can do discovery.
Services have dedicated IP address, and are also surfaced to the container via DNS (If [DNS addon](https://github.com/GoogleCloudPlatform/kubernetes/tree/master/cluster/addons/dns) is enabled).  Of course DNS is still not an enumerable protocol, so we will continue to provide environment variables so that containers can do discovery.
## Container Hooks
*NB*: Container hooks are under active development, we anticipate adding additional hooks as the Kubernetes container management system evolves.*