Update 01-NginxApp1-Deployment.yml

kube-manifests/01-Webserver-Apps/01-NginxApp1-Deployment.yml

@@ -5,7 +5,7 @@ metadata:
   labels:
     app: app1-nginx
 spec:
-  replicas: 1
+  replicas: 2   # Increased for high availability
   selector:
     matchLabels:
       app: app1-nginx
@@ -14,14 +14,57 @@ spec:
       labels:
         app: app1-nginx
     spec:
+      nodeSelector:
+        app: system-apps   # Scheduling on specific nodes
+
       containers:
         - name: app1-nginx
           image: stacksimplify/kube-nginxapp1:1.0.0
+          imagePullPolicy: IfNotPresent
+
           ports:
             - containerPort: 80
-# To schedule pods on based on NodeSelectors
-      nodeSelector:
-        app: system-apps
 
+          resources:
+            requests:
+              cpu: "100m"
+              memory: "128Mi"
+            limits:
+              cpu: "250m"
+              memory: "256Mi"
+
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 80
+            initialDelaySeconds: 10
+            periodSeconds: 15
+
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 80
+            initialDelaySeconds: 5
+            periodSeconds: 10
+
+          env:
+            - name: ENV
+              value: "production"
+
+      restartPolicy: Always
+
+      ### Summary
+ Improved Kubernetes deployment configuration to make it more production-ready.
+
+### Changes Made
+
+- Increased replicas from 1 to 2 for better availability
+- Added resource requests and limits for efficient resource management
+- Introduced liveness and readiness probes for health monitoring
+- Added imagePullPolicy to optimize image usage
+- Included environment variable configuration
+- Improved YAML structure and readability
+
+### Impact
 
-   
+These changes improve application reliability, scalability, and overall deployment stability in a Kubernetes environment.