• Node.js (v18+)
• Go (v1.20+)
• Android Studio (for Android builds)
• Google Cloud Console Project (for OAuth keys)

The server is a lightweight Go application.

1. Navigate to the Server directory.

   cd Server

2. Initialize dependencies (if not already done).

   go mod init socket
   go get github.com/gorilla/websocket
   go get github.com/joho/godotenv
   go get github.com/mattn/go-sqlite3

1. Copy the example environment file:

   cp .example.env .env

2. Ensure the following variables are configured in .env:

   • SESSION_SECRET: Secret key for HMAC token signing.
   • TURN_HOST: URL/IP for the TURN relay server (optional for local dev).
   • TURN_SECRET: Secret for deriving ephemeral TURN credentials (optional).

go run .

The server listens on ws://localhost:9000.

The client is a React application using Vite and Capacitor.

1. Navigate to the Client directory.

   cd Client

2. Install dependencies.

   npm install

3. Configuration: Ensure you have valid Google OAuth credentials.

   • Place google-services.json in android/app/ (for Android).
   • Configure Client IDs in your environment or constants.

The build command handles all preparation steps including:

• Building React application with Vite
• Syncing with Capacitor for Android
• Copying assets for Electron

npm run build

After building, open the project in Android Studio:

npx cap open android

Then run the app from Android Studio on an emulator or physical device.

After building, start the Electron app:

npm run electron:start