In this doc, let's say, FreeField
Wait ... pschneider.fr
You'll have to see with your provider, in order to power it, and make it point to your host ip, at least concerning the ports 80 & 443.
The database must be created, and we need its connection string, allowed to modify the data dictionary
You'll need to send e-mail ... using smtp and the provider of your choice.
I'll have to make with it, a least a moment, it needs a service account, and some setup,
in the appsettings.*.json file, and
the execution environment variable GOOGLE_APPLICATION_CREDENTIALS to a value pointing the json description file for the Google Service account.