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

learn/learn-kubernetes-master/kiamol/ch04/sleep/sleep-with-configMap-env-file.yaml

@@ -0,0 +1,27 @@
+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
+          envFrom:
+          - configMapRef:
+              name: sleep-config-env-file
+          env:
+          - name: KIAMOL_CHAPTER
+            value: "04"
+          - name: KIAMOL_SECTION
+            valueFrom:
+              configMapKeyRef:              
+                name: sleep-config-literal
+                key: kiamol.section