Jenkins is the leading open source automation server. Built with Java, it provides hundreds of plugins to support building, testing, deploying and automation for virtually any software project.
This is a fully functional Jenkins server, provided by the Jenkins project. It is based on the Long Term Support release http://jenkins-ci.org/. It can be used for free in the context of MIT-Lizenz and Creative Commons Attribution Share-Alike respectively. See https://hub.docker.com/_/jenkins/ for more information.