Amulya

Dockerfile

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+ARG ARCH=
+ARG IMAGE_BASE=16-alpine
+
+FROM node:18-alpine
+
+WORKDIR /usr/src/app
+
+COPY package*.json ./
+
+RUN npm install --production
+
+COPY . .
+
+EXPOSE 3000
+
+CMD ["npm", "start"]
+
+
+

Jenkinsfile

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+pipeline {
+    agent any
+
+    environment {
+        DOCKER_IMAGE = "amulya2503/node1"
+        DOCKER_CREDENTIALS = "Docker"
+    }
+
+    stages {
+        stage('Checkout') {
+            steps {
+                git branch: 'master',
+                    url: 'https://github.com/sreepathysois/node-hello_Lab_Exam_Batch_2.git'
+            }
+        }
+
+        stage('Install Dependencies') {
+            steps {
+                sh 'npm install'
+            }
+        }
+
+        stage('Run Tests') {
+            steps {
+                sh 'npm test || echo "No tests found, skipping..."'
+            }
+        }
+
+        stage('Build Docker Image') {
+            steps {
+                script {
+                    sh "docker build -t ${DOCKER_IMAGE}:${BUILD_NUMBER} ."
+                }
+            }
+        }
+
+        stage('Push to Docker Hub') {
+            steps {
+                script {
+                    withCredentials([usernamePassword(credentialsId: "${DOCKER_CREDENTIALS}", usernameVariable: 'DOCKER_USER', passwordVariable: 'DOCKER_PASS')]) {
+                        sh """
+                            echo "$DOCKER_PASS" | docker login -u "$DOCKER_USER" --password-stdin
+                            docker push ${DOCKER_IMAGE}:${BUILD_NUMBER}
+                            docker tag ${DOCKER_IMAGE}:${BUILD_NUMBER} ${DOCKER_IMAGE}:latest
+                            docker push ${DOCKER_IMAGE}:latest
+                        """
+                    }
+                }
+            }
+        }
+    }
+
+    post {
+        success {
+            echo "✅ Build & push successful: ${DOCKER_IMAGE}:${BUILD_NUMBER}"
+        }
+        failure {
+            echo "❌ Build failed!"
+        }
+    }
+}