feat: add configuration management and update deployment files

deployment.yaml

@@ -2,18 +2,20 @@ apiVersion: v1
 kind: Service
 metadata:
   name: k8s-example
+  namespace: helloapp
 spec:
   selector:
     app: k8s-example
   ports:
-  - port: 8800
-    targetPort: 8800
+    - port: 8800
+      targetPort: 8800
   type: LoadBalancer
 ---
 apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: k8s-example
+  namespace: helloapp
 spec:
   selector:
     matchLabels:
@@ -25,15 +27,45 @@ spec:
         app: k8s-example
     spec:
       containers:
-      - name: k8s-example
-        image: localhost:8180/k8s-example/k8s-example:latest
-        imagePullPolicy: IfNotPresent
-        resources:
-          requests:
-            memory: "128Mi"
-            cpu: "500m"
-          limits:
-            memory: "128Mi"
-            cpu: "500m"
-        ports:
-        - containerPort: 8800
+        - name: k8s-example
+          image: localhost:8180/k8s-example/k8s-example:latest
+          imagePullPolicy: IfNotPresent
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "500m"
+            limits:
+              memory: "128Mi"
+              cpu: "500m"
+          ports:
+            - containerPort: 8800
+          volumeMounts:
+            - name: config-volume
+              mountPath: /config
+            - name: helloapp-test-key
+              mountPath: /certs
+          command: ["/helloapp"]
+          args: ["-f", "/config/.linux-config.json"]
+      volumes:
+        - name: config-volume
+          configMap:
+            name: k8s-example-config
+        - name: helloapp-test-key
+          secret:
+            secretName: helloapp-test-key
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: k8s-example-config
+  namespace: helloapp
+data:
+  .linux-config.json: |
+    {
+      "server": {
+        "port": 8800
+      },
+      "certs": {
+        "testKeyPath": "./certs/test.key"
+      }
+    }