ntfy.sh
Corridor Quest optionally supports a ntfy.sh service to send notifications to. You can use any ntfy.sh service you want.
If you want your own ntfy.sh service for your installation you need to configure that yourself. Full documentation for self serving ntfy.sh is here.
We run a ntfy.sh service on https://ntfy.corridor-quest.net which is for our own game service that lives on https://corridor-quest.net:3001
If you do choose to deploy your own ntfy.sh service accompanying your own game server, you also need to configure the relevant ENV's in the server config.