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

learn/learn-kubernetes-master/kiamol/ch11/lab/bulletin-board/helm/bulletin-board/.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/ch11/lab/bulletin-board/helm/bulletin-board/Chart.yaml

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+apiVersion: v2
+name: bulletin-board
+description: Kiamol Ch11 app
+type: application
+version: 0.1.0
+appVersion: 1.0.0

learn/learn-kubernetes-master/kiamol/ch11/lab/bulletin-board/helm/bulletin-board/templates/bb-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name:  {{ .Release.Name }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: bulletin-board
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    kiamol: ch11-lab
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: bulletin-board
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: bulletin-board
+        app.kubernetes.io/instance: {{ .Release.Name }}
+    spec:
+      containers:
+        - name: bulletin-board
+          image: {{ .Values.registryServer }}/{{ .Values.registryUser }}/bulletin-board:{{ .Values.imageBuildNumber }}-kiamol 
+          imagePullPolicy: Always    
+          ports:
+            - name: http
+              containerPort: 8080  
+      imagePullSecrets:
+      - name: {{ .Values.registrySecretName }}

learn/learn-kubernetes-master/kiamol/ch11/lab/bulletin-board/helm/bulletin-board/templates/bb-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name:  {{ .Release.Name }}  
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: bulletin-board
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    kiamol: ch11-lab
+spec:
+  ports:
+    - port: {{ .Values.servicePort }}
+      targetPort: http
+  selector:
+    app.kubernetes.io/name: bulletin-board
+    app.kubernetes.io/instance: {{ .Release.Name }}
+  type: {{ .Values.serviceType }}

learn/learn-kubernetes-master/kiamol/ch11/lab/bulletin-board/helm/bulletin-board/values.yaml

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+# port for the Service to listen on
+servicePort: 8012
+# type of the Service:
+serviceType: LoadBalancer
+# domain of the registry server - e.g docker.io for Docker Hub
+registryServer: docker.io
+# user portion of the image repostory:
+registryUser: kiamol
+# build number portion of the image tag:
+imageBuildNumber: dev
+# name of the Secret containing registry credentials:
+registrySecretName: registry-creds