Update to clean storage

clinic/service/Jenkinsfile.GatewayService

@@ -111,12 +111,21 @@ pipeline {
                     } else {
                         echo "No Docker image to clean up"
                     }
+                    // Clean up dangling images and build cache
+                    sh "docker image prune -f || echo 'No dangling images to prune'"
+                    sh "docker builder prune -f || echo 'No build cache to prune'"
+                    // Clean up Maven artifacts
+                    sh "mvn clean || echo 'No Maven artifacts to clean'"
                 }
             }
         }
     }
 
     post {
+        always {
+            // Ensure workspace is cleaned up after every run
+            cleanWs()
+        }
         failure {
             echo "Pipeline failed! Check the logs for details."
         }