Simple chat with firebase and ktor as backend

Ktor + WebSockets + Firebase => backend for simple chat with one room and reactions!

How to run

1. Create Firebase project at
2. Download services.json file and place it at src/jvmMain/resources/firebase-service.json. You can specify custom config path in application.confapplication.conf with service_file key.
3. Connect realtime database to your firebase project and fill database url with web key:

ktor {
    ...
    firebase {
        service_file = firebase-service.json
        database_url = ...firebasedatabase.app
        web_key = ...
    }
}

• You can get Web API key at Project Settings -> General -> Web API key

• You can get Database base url at Realtime Database -> Data -> root node starting with https://...

4. Run via main function or with ./gradlew run