Usage
Start with
docker-compose up -d
then go to http://localhost/stuhlgangscode/foo for an example.
"Productive" usage
Print QR codes for each of your toilets navigating to something like http://example.com/stuhlgangscode/SOME_HASH. There's no need to register the hash somewhere. Once the first message is posted, it will be added to the database. Currently there's nothing to prevent users from just starting their own chat.