Coppermine is a multi-purpose, fully-featured and integrated web picture gallery script written in PHP using GD or ImageMagick as image library with a MySQL back-end. Coppermine Photo Gallery (CPG) is an open source project released under the GNU/GPL terms. It is fairly easy to install Coppermine on a CentOS 7 VPS. The installation process should take about 5-10 minutes if you follow the very easy steps described below.