[REQUEST] Retroarch-web

Hello I am currently having a difficult time setting up a container to host Retroarch-Web. The Git for it can be found here:

I have had the most success with this persons container:
https://hub.docker.com/r/inglebard/retroarch-web/

but the documentation isn’t good and i am having no luck at all adapting it to run on my Synology 218+.