新增learn-kubernetes（https://github.com/yyong-brs/learn-kubernetes）相关文件

learn/learn-kubernetes-master/kiamol/ch08/sleep/sleep-with-db-backup-mount.yaml

@@ -0,0 +1,26 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: sleep
+  labels:
+    kiamol: ch08
+spec:
+  selector:
+    matchLabels:
+      app: sleep
+  template:
+    metadata:
+      labels:
+        app: sleep
+    spec:
+      containers:
+        - name: sleep
+          image: kiamol/ch03-sleep
+          volumeMounts:
+            - name: backup
+              mountPath: "/backup"
+              readOnly: true
+      volumes:
+        - name: backup
+          persistentVolumeClaim:
+            claimName: todo-db-backup-pvc