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Mike Danese
2015-07-14 09:37:37 -07:00
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examples/guestbook-go/README.md
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@@ -37,7 +37,7 @@ This example assumes that you have a working cluster. See the [Getting Started G
### Step One: Create the Redis master pod<a id="step-one"></a>
Use the `examples/guestbook-go/redis-master-controller.json` file to create a [replication controller](../../docs/replication-controller.md) and Redis master [pod](../../docs/pods.md). The pod runs a Redis key-value server in a container. Using a replication controller is the preferred way to launch long-running pods, even for 1 replica, so that the pod benefits from the self-healing mechanism in Kubernetes (keeps the pods alive).
Use the `examples/guestbook-go/redis-master-controller.json` file to create a [replication controller](../../docs/user-guide/replication-controller.md) and Redis master [pod](../../docs/user-guide/pods.md). The pod runs a Redis key-value server in a container. Using a replication controller is the preferred way to launch long-running pods, even for 1 replica, so that the pod benefits from the self-healing mechanism in Kubernetes (keeps the pods alive).
1. Use the [redis-master-controller.json](redis-master-controller.json) file to create the Redis master replication controller in your Kubernetes cluster by running the `kubectl create -f` *`filename`* command:
```shell
@@ -74,7 +74,7 @@ Use the `examples/guestbook-go/redis-master-controller.json` file to create a [r
Note: The initial `docker pull` can take a few minutes, depending on network conditions.
### Step Two: Create the Redis master service <a id="step-two"></a>
A Kubernetes '[service](../../docs/services.md)' is a named load balancer that proxies traffic to one or more containers. The services in a Kubernetes cluster are discoverable inside other containers via environment variables or DNS.
A Kubernetes '[service](../../docs/user-guide/services.md)' is a named load balancer that proxies traffic to one or more containers. The services in a Kubernetes cluster are discoverable inside other containers via environment variables or DNS.
Services find the containers to load balance based on pod labels. The pod that you created in Step One has the label `app=redis` and `role=master`. The selector field of the service determines which pods will receive the traffic sent to the service.