#9 - fix for persistent VOLUME
diff --git a/Dockerfile b/Dockerfile
index 770ed64..dcb4f2c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,6 +17,7 @@
 USER jenkins
 
 # VOLUME /var/jenkins_home - bind this in via -v if you want to make this persistent.
+VOLUME /var/jenkins_home
 ENV JENKINS_HOME /var/jenkins_home
 
 # define url prefix for running jenkins behind Apache (https://wiki.jenkins-ci.org/display/JENKINS/Running+Jenkins+behind+Apache)