specify user and volume
diff --git a/Dockerfile b/Dockerfile
index 778af5d..5ca6cc5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,9 @@
 RUN echo deb http://pkg.jenkins-ci.org/debian binary/ >> /etc/apt/sources.list
 RUN apt-get update
 RUN apt-get install -y jenkins
+RUN mkdir -p /var/jenkins_home && chown -R jenkins /var/jenkins_home
+USER jenkins
+
 VOLUME /var/jenkins_home
 ENV JENKINS_HOME /var/jenkins_home
 CMD java -jar /usr/share/jenkins/jenkins.war
\ No newline at end of file