Set jenkins user home to /var/jenkins_home
Rev LTS version
Reduce image size cleaning up apt
Merge pull request #7 from carlossg/size

Reduce image size cleaning up apt and avoid unnecessary updates
Merge pull request #10 from alex-leonhardt/master

#9 - fix for persistent VOLUME
Merge pull request #5 from aleasoluciones/upstream

Set jenkins user home to /var/jenkins_home
Small improvements and tidying up - deferred slave port setting
Update README.md
clean up and add Volume
Show how to customise
tidy up by moving clean
Add a few minor tweaks and reorganizations to improve caching and overall build
Merge pull request #12 from tianon/minor-tweaks

Add a few minor tweaks and reorganizations to improve caching and overall build
Use Java official image as base
option to set JVM parameters, especially system properties
dowload jenkins.war, no need for debian package
the later include daemon setup that doesn’t make sense here
« ADD » doesn’t use Last-Modified header so download on every build
Merge branch 'war'
LTS is 1.565.3
Prevent copying the jenkins war in two different layers