backend files

backend/Jenkinsfile

@@ -0,0 +1,67 @@
+pipeline {
+    agent any
+
+    environment {
+        // --- Harbor Configuration ---
+        HARBOR_URL = 'harbor.example.com'
+        HARBOR_PROJECT = 'my-todo-app'
+        IMAGE_NAME = 'todo-backend'
+        HARBOR_CREDS = 'harbor-credentials-id' 
+        
+        // --- Kubernetes Configuration ---
+        K8S_CREDENTIALS_ID = 'k8s-kubeconfig' // Jenkins ID for kubeconfig file
+        // ----------------------------
+        
+        IMAGE_TAG = "${env.BUILD_ID}"
+        FULL_IMAGE_PATH = "${HARBOR_URL}/${HARBOR_PROJECT}/${IMAGE_NAME}:${IMAGE_TAG}"
+    }
+
+    stages {
+        stage('Install & Test') {
+            steps {
+                sh 'npm install'
+                sh 'npm test || true'
+            }
+        }
+
+        stage('Build & Push to Harbor') {
+            steps {
+                script {
+                    sh "docker build -t ${FULL_IMAGE_PATH} ."
+                    withCredentials([usernamePassword(credentialsId: "${HARBOR_CREDS}", usernameVariable: 'USER', passwordVariable: 'PASS')]) {
+                        sh "docker login ${HARBOR_URL} -u ${USER} -p ${PASS}"
+                        sh "docker push ${FULL_IMAGE_PATH}"
+                    }
+                }
+            }
+        }
+
+        stage('Deploy to Kubernetes') {
+            steps {
+                script {
+                    // Assuming kubectl is available on the agent and configured
+                    // or use withKubeConfig if plugin is available:
+                    // configFileProvider([configFile(fileId: "${K8S_CREDENTIALS_ID}", variable: 'KUBECONFIG')]) {
+                        
+                        // 1. Replace placeholder in YAML with the actual image path
+                        // We use a temporary file to avoid modifying the original repo file permanently in a way that breaks next builds
+                        sh "sed 's|IMAGE_PATH_PLACEHOLDER|${FULL_IMAGE_PATH}|g' k8s-deployment.yaml > backend-k8s-applied.yaml"
+                        
+                        // 2. Apply the manifest
+                        sh "kubectl apply -f backend-k8s-applied.yaml"
+                        
+                        // 3. Verify rollout
+                        sh "kubectl rollout status deployment/todo-backend"
+                    // }
+                }
+            }
+        }
+    }
+    
+    post {
+        always {
+            sh "docker logout ${HARBOR_URL}"
+            sh "rm -f backend-k8s-applied.yaml"
+        }
+    }
+}