This is an apache server where you can specify the settings in configuration files that you can provide in an artifacts folder. Here at Yellowbrainz.com we have used this server to serve the big Quartus install files. that we used in the yellowbrainz/quartus docker.
Find a full description and the source with handy Makefile to build this docker image, check-out: https://github.com/YellowBrainz/apache_docker
Enjoy! Toon Leijtens, code zombie at Yellowbrainz.com