🔐 AuthBridge

A reusable NestJS authentication service that handles registration, login, and user management for multiple applications — with standard email/password, Google OAuth, and OTP verification, plus a dynamic multi-database design so one deployment can serve several apps.

✨ Features

• 📝 Email/password registration & login
• 🔵 Google OAuth sign-in
• 📲 OTP (one-time password) verification
• 🪙 JWT-based session management
• 🗂️ Dynamic database support — switch DB per application via APP_NAME (e.g. ECOMMERCE_APP_MONGO_URI, SOCIAL_MEDIA_APP_MONGO_URI)
• 👤 User profile management & updates
• 📜 Swagger API documentation

🧰 Tech Stack

Area	Tech
Framework	NestJS
Language	TypeScript
Database	MongoDB (per-app, env-driven)
Auth	JWT, Google OAuth, OTP
Docs	Swagger
Testing	Jest (unit + e2e + coverage)
Deploy	Docker

🚀 Getting Started

npm install
cp .env.example .env        # set APP_NAME, *_MONGO_URI, JWT & Google OAuth keys
npm run start:dev

API docs available at /api (Swagger UI) once running.

🐳 Docker

docker build -t authbridge .
docker run -p 3000:3000 --env-file .env authbridge

🧪 Testing

npm test
npm run test:e2e
npm run test:cov

📄 License

MIT

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