added jenkins deployment

Jenkinsfile

@@ -70,6 +70,17 @@ pipeline {
 
         stage('Cleanup') {
             steps {
+                echo 'Removing old/dangling Docker images...'
+                // Remove all images that are not associated with a container
+                // This targets the untagged images created by previous builds
+                sh 'docker image prune -f'
+
+                // OPTIONAL: Remove images older than a certain time (e.g., 24 hours)
+                // This is useful if you want to keep the most recent successful images
+                // for quick rollback, but remove others.
+                // sh 'docker image prune -a -f --filter "until=24h"'
+
+                echo 'Docker images pruned.'
                 // Optional: Stop old containers and run the new ones
                 // Note: In production, you would push to a registry (DockerHub) instead
                 sh "echo 'Build Complete. Images ready: ${FRONTEND_IMAGE} and ${BACKEND_IMAGE}'"