Update Jenkinsfile

Jenkinsfile

@@ -23,22 +23,19 @@ pipeline {
         sh 'echo Docker Push Image......'
       }
     }
-
+    parallel {
-    stage('Run-and-test') {
+      stage('Run-and-test') 
+      {
         steps { 
-        sh 'python app.py &'
+          sh 'gunicorn --bind 0.0.0.0:3001 app:app' 
-        sh 
         }
       }
-    
       stage('Integration Testing') {
         steps {
           sh "sleep 10s" 
-        sh 'echo Testing using cURL commands......'
+          sh 'curl localhost:3001'
         }
       } 
     }
-  tools {
-    maven 'M398'
   }
 }