Updated jenkinsFile

Jenkinsfile

@@ -1,31 +1,33 @@
 pipeline {
-    // Run on your specific Agent Droplet
+    // 1. Run heavy lifting (Build/Push) on the Agent
     agent { label 'jenkins-agent' }
 
     environment {
-        // 1. Your ACTUAL Registry Name (Verified)
+        // CRITICAL FIX: Use the Registry Name we verified via 'doctl'
         REGISTRY_URL = 'registry.digitalocean.com/devsecops-lab'
         
-        // 2. The ONE allowed repository for Free Tier
+        // CRITICAL FIX: Use 'core' to stay within 1-repo limit
         REPO_NAME = 'core'
         
-        // 3. Unique Tags to distinguish apps inside the 'core' repo
+        // Dynamic Tags
-        // Example: core:backend-Dev-25
         BACKEND_TAG = "backend-${env.BRANCH_NAME}-${env.BUILD_NUMBER}"
         FRONTEND_TAG = "frontend-${env.BRANCH_NAME}-${env.BUILD_NUMBER}"
+
+        // Deployment Target (The Gitea Server)
+        DEPLOY_HOST = 'gitea.kongseng.in' 
+        DEPLOY_USER = 'root'
     }
     
     stages {
         stage('Checkout') {
-            steps {
+            steps { checkout scm }
-                checkout scm
-            }
         }
         
         stage('Install Dependencies') {
             steps {
-                echo "Installing dependencies..."
+                echo "Installing dependencies for ${env.BRANCH_NAME}..."
-                // Ensure these folders exist in your repo!
+                // Ensure folders exist to avoid errors
+                sh 'ls -la'
                 dir('backend') { sh 'npm install' }
                 dir('frontend') { sh 'npm install' }
             }
@@ -35,7 +37,6 @@ pipeline {
             steps {
                 script {
                     echo "Building Images..."
-                    // Build using the 'core' repo path but unique tags
                     sh "docker build -t ${REGISTRY_URL}/${REPO_NAME}:${BACKEND_TAG} ./backend"
                     sh "docker build -t ${REGISTRY_URL}/${REPO_NAME}:${FRONTEND_TAG} ./frontend"
                 }
@@ -44,65 +45,67 @@ pipeline {
 
         stage('Push to Registry') {
             steps {
-                // Securely inject the DO Token
+                // We MUST inject the token here, or the push will fail with "Unauthorized"
                 withCredentials([string(credentialsId: 'do-registry-token', variable: 'DO_TOKEN')]) {
                     script {
-                        echo "Logging into DigitalOcean Registry..."
+                        echo "Logging into Registry..."
-                        
+                        // 1. Clean previous state
-                        // 1. NUKE existing config to prevent credential-helper conflicts
                         sh 'rm -f ~/.docker/config.json'
                         
-                        // 2. Force Raw Login (Token as Password)
+                        // 2. Login using Token as Password
-                        // -u anything works, --password-stdin takes the token
+                        sh 'echo $DO_TOKEN | docker login registry.digitalocean.com -u token --password-stdin'
-                        sh 'echo $DO_TOKEN | docker login registry.digitalocean.com -u key_is_token --password-stdin'
                         
                         echo "Pushing images..."
                         sh "docker push ${REGISTRY_URL}/${REPO_NAME}:${BACKEND_TAG}"
                         sh "docker push ${REGISTRY_URL}/${REPO_NAME}:${FRONTEND_TAG}"
                         
-                        // 3. Logout for security
+                        // 3. Logout
                         sh 'docker logout registry.digitalocean.com'
                     }
                 }
             }
         }
         
+        // --- REMOTE DEPLOYMENT (AGENT -> GITEA SERVER) ---
         stage('Deploy') {
             steps {
                 script {
-                    // Dynamic Port Assignment based on Branch
+                    // Define Ports based on Branch
                     def appPort = "3000"
+                    if (env.BRANCH_NAME == 'Dev') { appPort = "3001" } 
+                    else if (env.BRANCH_NAME == 'Release') { appPort = "3002" } 
+                    else if (env.BRANCH_NAME == 'main') { appPort = "3003" }
+
                     def containerName = "backend-${env.BRANCH_NAME}"
 
-                    if (env.BRANCH_NAME == 'Dev') {
+                    // Define SSH Command using the specific deploy key we created
-                        appPort = "3001"
+                    def remote = "ssh -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa_deploy ${DEPLOY_USER}@${DEPLOY_HOST}"
-                        echo "Deploying to DEV (Port 3001)"
-                    } 
-                    else if (env.BRANCH_NAME == 'Release') {
-                        appPort = "3002"
-                        echo "Deploying to STAGING (Port 3002)"
-                    } 
-                    else if (env.BRANCH_NAME == 'main') {
-                        appPort = "3003"
-                        echo "Deploying to PRODUCTION (Port 3003)"
-                    }
 
-                    // 1. Cleanup Old Container
+                    echo "Deploying to ${DEPLOY_HOST} on Port ${appPort}..."
-                    try {
+
-                        sh "docker stop ${containerName} || true"
+                    // We need the token again to PULL the image on the remote server
-                        sh "docker rm ${containerName} || true"
+                    withCredentials([string(credentialsId: 'do-registry-token', variable: 'DO_TOKEN')]) {
-                    } catch (Exception e) {
+                        
-                        echo "No container to stop"
+                        // 1. Remote Login
-                    }
+                        sh "${remote} 'echo ${DO_TOKEN} | docker login registry.digitalocean.com -u token --password-stdin'"
+                        
+                        // 2. Remote Pull
+                        sh "${remote} 'docker pull ${REGISTRY_URL}/${REPO_NAME}:${BACKEND_TAG}'"
+                        
+                        // 3. Remote Restart (Stop -> Remove -> Run)
+                        sh "${remote} 'docker stop ${containerName} || true'"
+                        sh "${remote} 'docker rm ${containerName} || true'"
 
-                    // 2. Run New Container
                         sh """
-                        docker run -d \
+                            ${remote} 'docker run -d \
                             --name ${containerName} \
                             --restart always \
                             -p ${appPort}:3000 \
-                        ${REGISTRY_URL}/${REPO_NAME}:${BACKEND_TAG}
+                            ${REGISTRY_URL}/${REPO_NAME}:${BACKEND_TAG}'
                         """
+                        
+                        echo "SUCCESS: App is live at http://${DEPLOY_HOST}:${appPort}"
+                    }
                 }
             }
         }
@@ -110,9 +113,7 @@ pipeline {
     
     post {
         always {
-            // Cleanup workspace to save disk space
+            // Save disk space on the Agent
-            deleteDir()
-            // Cleanup dangling images
             sh 'docker system prune -f'
         }
     }