🔐 Auth API

A secure and modular Authentication API built with Express.js, TypeScript, and MongoDB.
It handles user registration, login, and JWT-based authentication for protecting API routes.

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🛠️ Tech Stack

🟦 TypeScript    ⚙️ Express.js    🍃 MongoDB    🟢 Node.js    🔑 JWT

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📁 Project Structure

auth-api/ ┣ src/ ┃ ┣ controllers/ ┃ ┣ middlewares/ ┃ ┣ models/ ┃ ┣ routes/ ┃ ┗ index.ts ┣ .env ┣ .gitignore ┣ package.json ┣ tsconfig.json ┗ README.md

yaml Copy code

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🚀 Features

• 🧾 User Registration (sign up with validation)
• 🔐 Login with JWT (JSON Web Token authentication)
• 🔑 Protected Routes for authenticated users only
• 🧩 TypeScript support for better type safety
• ⚙️ Modular and scalable folder structure

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⚙️ Installation & Setup

1. Clone the repository

   git clone https://github.com/<your-username>/auth-api.git
   cd auth-api

Install dependencies

bash Copy code npm install Create a .env file and add your environment variables:

ini Copy code MONGO_URI=your_mongodb_connection_string JWT_SECRET=your_secret_key PORT=5000 Compile TypeScript

bash Copy code npm run build Run the server

bash Copy code npm run dev 📬 API Endpoints Method Endpoint Description POST /api/auth/register Register a new user POST /api/auth/login Log in a user GET /api/auth/profile Get user profile (protected route)

🧠 Learning Focus This project helps reinforce:

Authentication and authorization with JWT

Using bcrypt for password hashing

Writing clean middleware for route protection

TypeScript and Express integration

Secure environment configuration

👨‍💻 Author devadedejimike(Adeyemi Adedeji Michael)