diff --git a/Jenkinsfile b/Jenkinsfile
index 1030461..f955709 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,13 +1,11 @@
 pipeline {
-  agent any
+  agent {
+    docker 'ruby:2.3'
+  }
   stages {
     stage('deploy') {
       steps {
-        sh '''bundle  install &&
-
-
-
-cap production deploy'''
+        sh 'bundle  install && cap production deploy'
       }
     }
   }