apiVersion: apps/v1
kind: Deployment
metadata:
  name: sleep
spec:
  selector:
    matchLabels:
      app: sleep
  template:
    metadata:
      labels:
        app: sleep
    spec:
      containers:
        - name: sleep
          image: kiamol/ch03-sleep
          volumeMounts:
            - name: podname
              mountPath: /etc/pod
      volumes:
        - name: podname
          downwardAPI:
            items:
              - path: "name"
                fieldRef:
                  fieldPath: metadata.name