Streakz

Streakz now runs as a single Next.js application with App Router API routes, MongoDB via Mongoose, JWT auth, and Vercel-friendly serverless handlers.

Structure

Streakz/
frontend/   # unified Next.js app
backend/    # legacy Express source kept only as migration reference

Run locally

1. Install dependencies:

cd frontend
npm install

2. Create frontend/.env.local:

MONGO_URI=your_mongodb_connection_string
JWT_SECRET=your_secret_key
GROQ_API_KEY=your_groq_api_key
GOOGLE_CLIENT_ID=your_google_client_id
GOOGLE_CLIENT_SECRET=your_google_client_secret
NEXT_PUBLIC_APP_URL=http://localhost:3000

Optional:

GOOGLE_CALLBACK_URL=http://localhost:3000/api/auth/google/callback
GROQ_MODEL=llama-3.1-8b-instant

3. Start the app:

npm run dev

4. Open http://localhost:3000.

Deploy on Vercel

1. Import the repo into Vercel.
2. Set the project root to frontend.
3. Add these environment variables in Vercel:

MONGO_URI
JWT_SECRET
GROQ_API_KEY
GOOGLE_CLIENT_ID
GOOGLE_CLIENT_SECRET
NEXT_PUBLIC_APP_URL

4. Set NEXT_PUBLIC_APP_URL to your production URL, for example https://your-app.vercel.app.
5. If your Google OAuth app requires an explicit callback URL env, also set:

GOOGLE_CALLBACK_URL=https://your-app.vercel.app/api/auth/google/callback

6. Deploy.

API layout

• /api/auth/*
• /api/habits
• /api/completions
• /api/journal
• /api/goals
• /api/todos
• /api/ai