added k8s files and manifests files

Jenkinsfile

@@ -0,0 +1,96 @@
+pipeline {
+    agent any
+
+    parameters {
+        string(
+            name: 'NODE_IP',
+            defaultValue: '192.168.108.200',
+            description: 'On-premise Kubernetes node IP'
+        )
+    }
+
+    environment {
+        HARBOR    = '192.168.108.200:80'
+        IMAGE     = '192.168.108.200:80/vaishnavi-ecommerce/website'
+        OLD_IMAGE = '192.168.49.2:30004/vaishnavi-ecommerce/website:latest'
+        TAG       = "${env.BUILD_NUMBER}"
+        NAMESPACE = 'ecommerce'
+    }
+
+    stages {
+        stage('Build Image') {
+            steps {
+                sh """
+                    docker build \
+                        --build-arg VITE_API_BASE_URL=http://${params.NODE_IP}:30080/api \
+                        -t ${IMAGE}:${TAG} \
+                        -t ${IMAGE}:latest \
+                        .
+                """
+            }
+        }
+
+        stage('Push to Harbor') {
+            steps {
+                withCredentials([usernamePassword(
+                    credentialsId: 'harbor-credentials',
+                    usernameVariable: 'HARBOR_USER',
+                    passwordVariable: 'HARBOR_PASS'
+                )]) {
+                    sh """
+                        echo "\$HARBOR_PASS" | docker login ${HARBOR} -u "\$HARBOR_USER" --password-stdin
+                        docker push ${IMAGE}:${TAG}
+                        docker push ${IMAGE}:latest
+                    """
+                }
+            }
+        }
+
+        stage('Deploy') {
+            steps {
+                withCredentials([file(credentialsId: 'kubeconfig', variable: 'KUBECONFIG')]) {
+                    sh """
+                        sed "s|${OLD_IMAGE}|${IMAGE}:${TAG}|g" \
+                            k8s/deployment.yaml | kubectl apply -f -
+                        kubectl apply -f k8s/service.yaml
+                        kubectl apply -f k8s/ingress.yaml
+                    """
+                }
+            }
+        }
+
+        stage('Verify Rollout') {
+            steps {
+                withCredentials([file(credentialsId: 'kubeconfig', variable: 'KUBECONFIG')]) {
+                    sh "kubectl rollout status deployment/website -n ${NAMESPACE} --timeout=180s"
+                }
+            }
+        }
+
+        stage('Smoke Test') {
+            steps {
+                sh """
+                    STATUS=\$(curl -o /dev/null -sw "%{http_code}" http://${params.NODE_IP}:30081)
+                    echo "HTTP status: \$STATUS"
+                    [ "\$STATUS" = "200" ]
+                """
+            }
+        }
+    }
+
+    post {
+        always {
+            sh "docker rmi ${IMAGE}:${TAG} || true"
+            sh "docker rmi ${IMAGE}:latest || true"
+        }
+        success {
+            echo "Deploy successful. Website accessible at http://${params.NODE_IP}:30081"
+        }
+        failure {
+            withCredentials([file(credentialsId: 'kubeconfig', variable: 'KUBECONFIG')]) {
+                sh "kubectl get pods -n ${NAMESPACE} || true"
+                sh "kubectl describe deployment/website -n ${NAMESPACE} || true"
+            }
+        }
+    }
+}