Add Kubernetes Helm deployment pipeline

chart/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v2
+name: backend
+description: Backend teaching chart
+type: application
+version: 0.1.0
+appVersion: "0.1.0"

chart/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}
+  labels:
+    app.kubernetes.io/name: {{ .Chart.Name }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ .Chart.Name }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ .Chart.Name }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+    spec:
+      containers:
+        - name: backend
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - containerPort: 8080
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}

chart/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name }}
+  labels:
+    app.kubernetes.io/name: {{ .Chart.Name }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+spec:
+  type: {{ .Values.service.type }}
+  selector:
+    app.kubernetes.io/name: {{ .Chart.Name }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+  ports:
+    - name: http
+      port: {{ .Values.service.port }}
+      targetPort: 8080
+      nodePort: {{ .Values.service.nodePort }}

chart/values.yaml

@@ -0,0 +1,19 @@
+replicaCount: 1
+
+image:
+  repository: cdchen-backend
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  type: NodePort
+  port: 8080
+  nodePort: 30089
+
+resources:
+  requests:
+    cpu: 200m
+    memory: 256Mi
+  limits:
+    cpu: 600m
+    memory: 512Mi