diff --git a/Dockerfile b/Dockerfile
index 42a0dee..aa3600d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,15 +12,20 @@
 RUN mkdir -p /var/jenkins_home && chown -R jenkins /var/jenkins_home
 ADD init.groovy /tmp/WEB-INF/init.groovy
 RUN cd /tmp && zip -g /usr/share/jenkins/jenkins.war WEB-INF/init.groovy
+ADD ./jenkins.sh /usr/local/bin/jenkins.sh
+RUN chmod +x /usr/local/bin/jenkins.sh
 USER jenkins
 
 # VOLUME /var/jenkins_home - bind this in via -v if you want to make this persistent.
 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)
+ENV JENKINS_PREFIX /
+
 # for main web interface:
 EXPOSE 8080 
 
 # will be used by attached slave agents:
 EXPOSE 50000 
 
-CMD ["/usr/bin/java",  "-jar",  "/usr/share/jenkins/jenkins.war"]
+CMD ["/usr/local/bin/jenkins.sh"]