Update Jenkins_Docker

Jenkins_Docker

@@ -1,59 +1,69 @@
 pipeline {
     agent any
-    
+
     parameters {
-        string(name: 'DOCKER_HUB_CREDENTIALS_ID', defaultValue: '', description: 'Jenkins credentials ID for Docker Hub')
-        string(name: 'DOCKER_IMAGE_NAME', defaultValue: '', description: 'Docker image name (e.g., username/repository)')
-        string(name: 'DOCKER_IMAGE_TAG', defaultValue: 'latest', description: 'Docker image tag')
+        string(name: 'BRANCH_NAME', defaultValue: 'main', description: 'The branch to build')
+        string(name: 'DOCKERHUB_CREDENTIALS', defaultValue: 'dockerhub-credentials', description: 'Jenkins credentials ID for Docker Hub')
+        string(name: 'DOCKERHUB_REPO', defaultValue: 'your-dockerhub-repo', description: 'Docker Hub repository name')
     }
-    
+
     environment {
-        DOCKER_HUB_CREDENTIALS_ID = "${params.DOCKER_HUB_CREDENTIALS_ID}"
-        DOCKER_IMAGE_NAME = "${params.DOCKER_IMAGE_NAME}"
-        DOCKER_IMAGE_TAG = "${params.DOCKER_IMAGE_TAG}"
+        DOCKERHUB_CREDENTIALS = "${params.DOCKERHUB_CREDENTIALS}"
+        DOCKERHUB_REPO = "${params.DOCKERHUB_REPO}"
+        BRANCH_NAME = "${params.BRANCH_NAME}"
     }
-    
+
     stages {
         stage('Checkout') {
             steps {
-                // Checkout the repository
-                checkout scm
+                script {
+                    // Checkout the specified branch
+                    git branch: "${BRANCH_NAME}", url: 'https://github.com/your-repo.git'
+                }
             }
         }
-        
+
         stage('Build Docker Image') {
             steps {
                 script {
-                    // Build the Docker image
-                    def imageName = "${DOCKER_IMAGE_NAME}:${DOCKER_IMAGE_TAG}"
-                    sh "docker build -t ${imageName} ."
+                    // Build Docker image with the tag as the branch name
+                    sh "docker build -t ${DOCKERHUB_REPO}:${BRANCH_NAME} ."
                 }
             }
         }
-        
-        stage('Push Docker Image') {
+
+        stage('Login to Docker Hub') {
             steps {
                 script {
-                    // Login to Docker Hub
-                    withCredentials([usernamePassword(credentialsId: DOCKER_HUB_CREDENTIALS_ID, usernameVariable: 'DOCKER_USERNAME', passwordVariable: 'DOCKER_PASSWORD')]) {
-                        sh 'echo $DOCKER_PASSWORD | docker login -u $DOCKER_USERNAME --password-stdin'
+                    withCredentials([usernamePassword(credentialsId: DOCKERHUB_CREDENTIALS, usernameVariable: 'DOCKERHUB_USERNAME', passwordVariable: 'DOCKERHUB_PASSWORD')]) {
+                        sh "echo $DOCKERHUB_PASSWORD | docker login -u $DOCKERHUB_USERNAME --password-stdin"
                     }
-
-                    // Push the Docker image
-                    def imageName = "${DOCKER_IMAGE_NAME}:${DOCKER_IMAGE_TAG}"
-                    sh "docker push ${imageName}"
-
-                    // Logout from Docker Hub
-                    sh 'docker logout'
+                }
+            }
+        }
+
+        stage('Push Docker Image') {
+            steps {
+                script {
+                    // Push the Docker image to Docker Hub
+                    sh "docker push ${DOCKERHUB_REPO}:${BRANCH_NAME}"
                 }
             }
         }
     }
-    
+
     post {
         always {
-            // Clean up the Docker environment
-            sh 'docker system prune -f'
+            script {
+                // Clean up Docker images to save space
+                sh "docker rmi ${DOCKERHUB_REPO}:${BRANCH_NAME} || true"
+            }
+        }
+        success {
+            echo 'Docker image has been successfully pushed to Docker Hub!'
+        }
+        failure {
+            echo 'Failed to push Docker image to Docker Hub.'
         }
     }
 }