tree 76c7694689441a5c6ae423a180fee9bba7b9b050
parent 1865d744e021cc2fd2ae140f226f0f86b224cabe
author Luca Milanesio <luca.milanesio@gmail.com> 1433148323 +0100
committer Luca Milanesio <luca.milanesio@gmail.com> 1434448211 +0100

Allow usage of mirror Jenkins Update-Center for downloading plugins

Sometimes (like today ... and many other times unfortunately) the main
Jenkins update center is down and you cannot build a Jenkins Docker image.
It is much better than to include the full base URL as JENKINS_UC_DOWNLOAD
so that the ENV variable can be overridden to point to an up-and-running site.

Example:
ENV JENKINS_UC_DOWNLOAD http://mirrors.clinkerhq.com/jenkins