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

learn/learn-kubernetes-master/kiamol/ch15/pi/ingress.yaml

@@ -0,0 +1,15 @@
+apiVersion: networking.k8s.io/v1beta1 
+kind: Ingress
+metadata:
+  name: pi
+  labels:
+    kiamol: ch15
+spec:
+  rules:
+  - host: pi.kiamol.local
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: pi-web
+          servicePort: 80

learn/learn-kubernetes-master/kiamol/ch15/pi/update/ingress-with-cache.yaml

@@ -0,0 +1,20 @@
+apiVersion: networking.k8s.io/v1beta1 
+kind: Ingress
+metadata:
+  name: pi
+  labels:
+    kiamol: ch15
+  annotations:
+    nginx.ingress.kubernetes.io/proxy-buffering: "on" 
+    nginx.ingress.kubernetes.io/configuration-snippet: |
+      proxy_cache static-cache;
+      proxy_cache_valid 10m;
+spec:
+  rules:
+  - host: pi.kiamol.local
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: pi-web
+          servicePort: 80

learn/learn-kubernetes-master/kiamol/ch15/pi/web.yaml

@@ -0,0 +1,35 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: pi-web
+  labels:
+    kiamol: ch15
+spec:
+  ports:
+    - port: 80
+      targetPort: 80
+  selector:
+    app: pi-web
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: pi-web
+  labels:
+    kiamol: ch15
+spec:
+  selector:
+    matchLabels:
+      app: pi-web
+  template:
+    metadata:
+      labels:
+        app: pi-web
+    spec:
+      containers:
+        - image: kiamol/ch05-pi
+          command: ["dotnet", "Pi.Web.dll", "-m", "web"]
+          name: web
+          ports:
+            - containerPort: 80
+              name: http