Owlbear Rodeo Legacy virtual tabletop released under a noncommercial license for self hosting

With Owlbear Rodeo 2.0 getting officially released the developers haven't quite made made good on their promises to open source the original Owlbear Rodeo (releasing under a non-commercial license instead of a proper Open Source license what they are now calling “Owlbear Rodeo Legacy”), but the source is available on GitHub, complete with a docker-compose file to spin up your own instance.