diff --git a/Jenkinsfile b/Jenkinsfile
index b88a286..3f06f49 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,5 +1,10 @@
 pipeline {
-    agent any
+    agent {
+        dockerfile {
+            filename 'Dockerfile'
+            reuseNode true
+        }
+    }
 
     parameters {
         password (
@@ -20,24 +25,20 @@ pipeline {
     }
 
     stages {
-        stage('Clone repository') {
+        stage('Checkout repository') {
             steps {
                 checkout scm
             }
         }
 
-        stage('Build Docker image') {
-            steps {
-                docker.build("create-dataset-s464863")
-            }
-        }
-
         stage('Download dataset and preprocess data') {
             steps {
-                docker.image('create-dataset-s464863').withRun('"-e KAGGLE_USERNAME=${params.KAGGLE_USERNAME}"','"-e KAGGLE_KEY=${params.KAGGLE_KEY}"','"-e CUTOFF=${params.CUTOFF}"') {
-                    sh "chmod +x ./download_dataset.py"
-                    sh "python3 ./download_dataset.py ${params.CUTOFF}"
-                    archiveArtifacts artifacts: 'datasets/*', onlyIfSuccessful: true
+                script {
+                    withEnv(["KAGGLE_USERNAME=${params.KAGGLE_USERNAME}", "KAGGLE_KEY=${params.KAGGLE_KEY}"]) {
+                        sh "chmod +x ./download_dataset.py"
+                        sh "python3 ./download_dataset.py ${params.CUTOFF}"
+                        archiveArtifacts artifacts: 'datasets/*', onlyIfSuccessful: true   sh "python preprocess.py --cutoff ${params.CUTOFF}"
+                    }
                 }
             }
         }