MERN advanced authentication

Developed by: Eranda Samarasinghe

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Project Background and Overview

This repository focuses on full-stack development using the MERN stack. It highlights API security, scalable architecture, and database management, while also implementing advanced 2FA authentication using email OTP. Additionally, it is integrated with CI/CD and deployed on AWS EC2 helping to learn cloud infrastructure and automation

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Project Goals

The main objectives of this application are to:

1. Implemented JWT authentication to secure API endpoints and manage sessions
2. Built a scalable architecture with modular code using Node.js and Express.js
3. Used MongoDB for efficient and flexible data storage
4. Integrated frontend authentication in React for a smooth user experience

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Technical Details

Core technologies used:

• MERN Stack, JWT Authentication

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Configuration

1. Set up environment variables:

# MongoDB Connection URI
MONGO_URI = mongo_uri

# Application Port
PORT = 5000

# JWT Secret Key for Authentication
JWT_SECRET = secret_key

# Environment Mode (development or production)
NODE_ENV = development

# Mailtrap Configuration for Email Handling
MAILTRAP_TOKEN = mailtrap_token
MAILTRAP_ENDPOINT = https://send.api.mailtrap.io/

# Frontend Application URL
CLIENT_URL = http://localhost:5173

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Installation

1. Clone repository:

   git clone https://github.com/dev-eranda/mern-auth-techniques.git
   

2. Install dependencies:

   npm install
   

3. Build the Frontend Application:

   npm run build
   

4. Start the Server Application:

   npm start
   

• Open http://localhost:5000 with your browser to see the result.