Tusky API server
This server proxies notification from the Mastodon API to Firebase push notifications for users of the Tusky app. The Tusky app registers a device with some metadata, and the server connects to the Mastodon streaming API on behalf of the device user.
SERVER_KEY: Firebase server API key
PORT: Port to run the HTTP server on (defaults to 3000)
This server should run behind HTTPS.
Docker configuration included for convenience.