diff --git a/Jenkinsfile b/Jenkinsfile
index 3d761e0..7d136a4 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,16 +1,27 @@
-node {
-
-    stage('Start') {
-        echo "Program Started"
+pipeline {
+    agent any
+    stages {
+        stage('Clone Git Repository') {
+            steps {
+                checkout([$class: 'GitSCM',
+                          branches: [[name: '*/master']],
+                          userRemoteConfigs: [[url: 'https://git.wmi.amu.edu.pl/s487187/ium_487187.git']]])
+            }
+        }
+        stage('Process Data') {
+            steps {
+                sh '''
+                    #!/bin/bash
+                    wget https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data -O iris.data
+                    shuf iris.data | head -n 100 > iris_subset.csv
+                    cp iris_subset.csv $JENKINS_HOME/jobs/${JOB_NAME}/builds/${BUILD_NUMBER}/archive/iris_subset.csv
+                '''
+            }
+        }
     }
-
-    stage('Clone Git Repository') {
-        git 'https://git.wmi.amu.edu.pl/s487187/ium_487187.git'
-    }
-
-    stage('End') {
-        echo 'Program ended!'
-
-        archiveArtifacts 'output.txt'
+    post {
+        always {
+            archiveArtifacts artifacts: 'iris_subset.csv', onlyIfSuccessful: true
+        }
     }
 }
\ No newline at end of file