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

learn/learn-kubernetes-master/kiamol/ch10/pi/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

learn/learn-kubernetes-master/kiamol/ch10/pi/Chart.yaml

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+apiVersion: v2
+name: pi
+description: A Pi calculator
+type: application
+version: 0.1.0
+dependencies: 
+  - name: vweb
+    version: 2.0.0
+    repository: https://kiamol.net
+    condition: vweb.enabled
+  - name: proxy
+    version: 0.1.0
+    repository: file://../proxy
+    condition: proxy.enabled

learn/learn-kubernetes-master/kiamol/ch10/pi/templates/web-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name }}-web
+  labels:
+    kiamol: ch10
+spec:
+  ports:
+    - port: 80
+      name: http
+  selector:
+    app: {{ .Release.Name }}
+    component: web
+  type: {{ .Values.serviceType }}

learn/learn-kubernetes-master/kiamol/ch10/pi/templates/web.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-web
+  labels:
+    kiamol: ch10
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ .Release.Name }}
+      component: web
+  template:
+    metadata:
+      labels:
+        app: {{ .Release.Name }}
+        component: web
+    spec:
+      containers:
+        - image: kiamol/ch05-pi
+          command: ["dotnet", "Pi.Web.dll", "-m", "web"]
+          name: web
+          ports:
+            - containerPort: 80
+              name: http

learn/learn-kubernetes-master/kiamol/ch10/pi/values.yaml

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+# number of app Pods to run
+replicaCount: 2
+# type of the app Service:
+serviceType: LoadBalancer
+# settings for vweb
+vweb:
+   # whether to deploy vweb
+   enabled: false    
+# settings for the reverse proxy
+proxy:
+  # whether to deploy the proxy
+  enabled: false
+  # name of the app Service to proxy
+  upstreamToProxy: "{{ .Release.Name }}-web"
+  # port of the proxy Service
+  servicePort: 8030
+  # number of proxy Pods to run
+  replicaCount: 2