It will be nice if the Location option could open openstreetmap instead of Google Maps.

It would make shyness even more shy.

A can PR too

We've got a couple of installation tutorials for Offen at our docs site: https://docs.offen.dev/running-offen/tutorials/

This covers some deployment targets but there are definitely more out there. If you are interested in writing a tutorial for a different target, please let us know and we are more than happy to provide feedback and include it in the documentation.

AIOHTTP, by default, does not enforce strict rules against CSRF and CORS, but it is good to have them set up.