diff --git a/Jenkinsfile_stats b/Jenkinsfile_stats
index de703f9..19af93a 100644
--- a/Jenkinsfile_stats
+++ b/Jenkinsfile_stats
@@ -1,5 +1,8 @@
 node {
-    stage('Preparation') { 
+    checkout scm
+    def testImage = docker.build("test-image")
+    testImage.inside {
+        stage('Preparation') { 
      properties([
          parameters([
             buildSelector(
@@ -20,4 +23,6 @@ node {
     stage('Archive artifacts') {
         archiveArtifacts artifacts: '*.txt', followSymlinks: false
     }
+}
+    
 }
\ No newline at end of file