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

learn/learn-kubernetes-master/kiamol/ch21/todo-list/web/ingress/ingress.yaml

@@ -0,0 +1,15 @@
+apiVersion: networking.k8s.io/v1beta1 
+kind: Ingress
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch21
+spec:
+  rules:
+  - host: todo.kiamol.local
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: todo-web
+          servicePort: 80

learn/learn-kubernetes-master/kiamol/ch21/todo-list/web/ingress/todo-web-service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch21
+spec:
+  ports:
+    - port: 80
+      targetPort: 80
+  selector:
+    app: todo-list
+    component: web

learn/learn-kubernetes-master/kiamol/ch21/todo-list/web/todo-web-service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch21
+spec:
+  ports:
+    - port: 8021
+      targetPort: 80
+  selector:    
+    app: todo-list
+    component: web
+  type: LoadBalancer

learn/learn-kubernetes-master/kiamol/ch21/todo-list/web/todo-web.yaml

@@ -0,0 +1,41 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch21
+spec:
+  selector:
+    matchLabels:
+      app: todo-list
+      component: web
+  template:
+    metadata:
+      labels:
+        app: todo-list
+        component: web
+    spec:
+      containers:
+        - name: web
+          image: kiamol/ch20-todo-list
+          volumeMounts:
+            - name: config
+              mountPath: "/app/config"
+              readOnly: true
+            - name: secret
+              mountPath: "/app/secrets"
+              readOnly: true
+      volumes:
+        - name: config
+          configMap:
+            name: todo-list-config
+            items:
+            - key: config.json
+              path: config.json
+        - name: secret
+          secret:
+            secretName: todo-list-secret
+            defaultMode: 0400
+            items:
+            - key: secrets.json
+              path: secrets.json