added base kubernetes instancemanager layout

instancemanager/kubernetes/kubernetes-resources/k3s-deployment.yaml

@@ -0,0 +1,74 @@
+# https://kubernetes.io/docs/concepts/workloads/controllers/deployment/
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: server-manager
+  namespace: server-manager
+spec:
+  selector:
+    matchLabels:
+      app: server-manager
+  replicas: 1
+  strategy:
+    rollingUpdate:
+      maxSurge: 25%
+      maxUnavailable: 25%
+    type: RollingUpdate
+  template:
+    metadata:
+      annotations:
+        kubectl.kubernetes.io/default-container:  server-manager
+      labels:
+        app: server-manager
+    spec:
+      # initContainers:
+        # Init containers are exactly like regular containers, except:
+          # - Init containers always run to completion.
+          # - Each init container must complete successfully before the next one starts.
+      containers:
+      - name: server-manager
+        image: myjob:latest
+        imagePullPolicy: IfNotPresent
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
+          limits:
+            cpu: 100m
+            memory: 100Mi
+        livenessProbe:
+          tcpSocket:
+            port: 80
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+          successThreshold: 1
+          failureThreshold: 3
+          periodSeconds: 10
+        readinessProbe:
+          httpGet:
+            path: /_status/healthz
+            port: 80
+          initialDelaySeconds: 5
+          timeoutSeconds: 2
+          successThreshold: 1
+          failureThreshold: 3
+          periodSeconds: 10
+        env:
+        - name: DB_HOST
+          valueFrom:
+            configMapKeyRef:
+              name: server-manager
+              key: DB_HOST
+        ports:
+        - containerPort: 80
+          name: server-manager
+        volumeMounts:
+        - name: localtime
+          mountPath: /etc/localtime
+      volumes:
+        - name: localtime
+          hostPath:
+            path: /usr/share/zoneinfo/Asia/Taipei
+      restartPolicy: Always
+---
+

instancemanager/kubernetes/kubernetes-resources/k3s-service.yaml

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+# https://kubernetes.io/docs/concepts/services-networking/service/
+apiVersion: v1
+kind: Service
+metadata:
+  name: backend
+  namespace: server-manager
+spec:
+  selector:
+    app: backend
+  type: ClusterIP
+  ports:
+  - name: backend
+    protocol: TCP
+    port: 80
+    targetPort: 3000
+---
+# https://kubernetes.io/docs/concepts/services-networking/service/
+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+  namespace: server-manager
+spec:
+  selector:
+    app: frontend
+  type: ClusterIP
+  ports:
+  - name: frontend
+    protocol: TCP
+    port: 80
+    targetPort: 8000
+