diff --git a/Jenkinsfile-1 b/Jenkinsfile-1
index 4173e6f7d..5f5f63832 100644
--- a/Jenkinsfile-1
+++ b/Jenkinsfile-1
@@ -1,20 +1,22 @@
 node {
+  stage('Prepare') {
+        // Clean workspace
+        deleteDir()
+  }
   stage('SCM') {
     checkout scm
   }
   stage("build"){
     sh "./mvnw compile"
-    sh 'curl -sL https://deb.nodesource.com/setup_14.x | bash -'
-    sh 'apt-get install -y nodejs'
 
   }
   stage('SonarQube Analysis') {
     environment{
       SCANNER_HOME = tool 'sonar-scanner'
-      NODEJS_HOME = tool 'nodejs'
-      PATH = "/path/to/nodejs/bin:$PATH"
 
     }
+    env.NODEJS_HOME = "${tool 'nodejs'}"
+    env.PATH = "${env.NODEJS_HOME}/bin:${env.PATH}"
     def mvn = tool 'M3';
     withSonarQubeEnv("sq1") {
       sh "${mvn}/bin/mvn sonar:sonar -Dsonar.projectKey=Web -Dsonar.projectName='Web' -Dsonar.sources=src/ -Dsonar.java.binaries=target/classes/ -Dsonar.exclusions=src/test/java/****/*.java"