anchor.diff:  
       kubectl apply -f ./templates/redis-pod.yaml
   
  -
  -Check the logs from the pod to verify that Redis has started:
  +Wait for the pod to run:
  +
  +    $ kubectl get pods
  +    NAME        READY     STATUS    RESTARTS   AGE
  +    redis-pod   1/1       Running   0          12m
  +
  +Check logs from the pod to verify that Redis has started:
   
   ```
   $ kubectl logs redis-pod
  
positive.code: 
  === Define environment variables using ConfigMap data
  
  == Secrets
  
  In this section we will demonstrate how to place secrets into the Kubernetes cluster and then show multiple ways of retrieving those secretes from within pods.
  
  === Create secrets
  
  
negative.code: 
      kubectl apply -f ./templates/pod-secret-volume.yaml
  
  Open a shell to the pod to see the secrets:
  
      kubectl exec -it pod-secret-volume /bin/bash
      ls /etc/foo
  