It's based in alpine unix distro and the following software versions:
JAVA OPENJDK 7-JRE
TOMCAT_VERSION 7.0.79
HTTPD_VERSION 2.4.25
The file run.sh executes the process Apache2 and Tomcat and redirect standard output and errors to console.
A folder /logs contains symlinks to the log folders of Apache2 and Tomcat for easy lookup.