The base image is a cent OS 6.4 which has all the developers utilities and VNC server inbuilt with it.
The motivation is to give a friendly environment to use docker container as a desktop. All these images go along with DockerStop tool.
For more information, please visit www.dockerstop.com
The oracle image is built on top of the same base CentOS image, It has Oracle xp 11.2 version.