Update Jenkinsfile (SonarQube Integration)

Jenkinsfile

@@ -2,31 +2,72 @@ pipeline {
     agent any
 
     stages {
-        stage ('Compile Stage') {
 
+        stage('Compile Stage') {
             steps {
-                withMaven(maven : 'maven_3_5_0') {
+                withMaven(maven: 'maven_3_5_0') {
                     sh 'mvn clean compile'
                 }
             }
         }
 
-        stage ('Testing Stage') {
-
+        stage('Testing Stage') {
             steps {
-                withMaven(maven : 'maven_3_5_0') {
+                withMaven(maven: 'maven_3_5_0') {
                     sh 'mvn test'
                 }
             }
         }
 
+        stage('SonarQube Analysis') {
+            steps {
+                withSonarQubeEnv('SonarQube') {   // must match name configured in Jenkins
+                    withMaven(maven: 'maven_3_5_0') {
+                        sh '''
+                            mvn sonar:sonar \
+                              -Dsonar.projectKey=jenkins-example \
+                              -Dsonar.projectName="Jenkins Example" \
+                              -Dsonar.sources=src/main/java \
+                              -Dsonar.tests=src/test/java \
+                              -Dsonar.java.binaries=target/classes
+                        '''
+                    }
+                }
+            }
+        }
 
-        stage ('Deployment Stage') {
+        stage('Quality Gate') {
             steps {
-                withMaven(maven : 'maven_3_5_0') {
+                timeout(time: 5, unit: 'MINUTES') {
+                    waitForQualityGate abortPipeline: true
+                }
+            }
+        }
+
+        stage('Deployment Stage') {
+            steps {
+                withMaven(maven: 'maven_3_5_0') {
                     sh 'mvn deploy'
                 }
             }
         }
+
     }
-}
+}
+```
+
+---
+
+## Step 6: Run the Pipeline
+
+1. Go to your `jenkins-example` job
+2. Click **Build Now**
+3. Click the build number → **Console Output** to watch it live
+
+You should see all 5 stages execute in sequence:
+```
+✅ Compile Stage
+✅ Testing Stage
+✅ SonarQube Analysis
+✅ Quality Gate
+✅ Deployment Stage