diff --git a/Jenkinsfile b/Jenkinsfile
index 8b55f4c..cd0cc7b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,7 +1,10 @@
+#!/usr/bin/env groovy
+
+@Library('jenkins-shared-library')
 def gv
 
 pipeline {
-    agent any
+    agent none
     tools {
         maven 'Maven'
     }
@@ -15,16 +18,12 @@ pipeline {
         }
         stage("build jar") {
             steps {
-                script {
-                    gv.buildJar()
-                }
+                buildJar()
             }
         }
         stage("build image") {
             steps {
-                script {
-                    gv.buildImage()
-                }
+                buildImage()
             }
         }
         stage("deploy") {
@@ -34,5 +33,5 @@ pipeline {
                 }
             }
         }
-    }   
-}
\ No newline at end of file
+    }
+}
diff --git a/script.groovy b/script.groovy
index 79ddb88..9cbe142 100644
--- a/script.groovy
+++ b/script.groovy
@@ -1,19 +1,5 @@
-def buildJar() {
-    echo "building the application..."
-    sh 'mvn package'
-} 
-
-def buildImage() {
-    echo "building the docker image..."
-    withCredentials([usernamePassword(credentialsId: 'docker-hub-repo', passwordVariable: 'PASS', usernameVariable: 'USER')]) {
-        sh 'docker build -t nanajanashia/demo-app:jma-2.0 .'
-        sh "echo $PASS | docker login -u $USER --password-stdin"
-        sh 'docker push nanajanashia/demo-app:jma-2.0'
-    }
-} 
-
 def deployApp() {
     echo 'deploying the application...'
-} 
+}
 
-return this
\ No newline at end of file
+return this