📝 Task Manager (MERN Stack)

A full-stack Task Management application built with the MERN stack (MongoDB, Express.js, React.js, and Node.js) that allows users to register, log in, and manage their personal tasks with ease — along with automated email reminders.

🚀 Features

• 🔐 Authentication – Register & Login functionality with hashed passwords using bcrypt
• 📋 Task Management – Create, view, update, and delete your daily tasks
• 📦 RESTful API – Built using Express.js and connected to MongoDB via Mongoose
• 📦 Email Reminders – Automatically sends task reminders 1 hour before deadline using node-cron and nodemailer
• ⚛️ Frontend – React.js with Axios for API integration
• 💾 Persistent Storage – MongoDB Atlas used to store user and task data
• 📤 Deployed – Easily deployable to platforms like Render, Vercel

🖥️ Tech Stack

• Frontend: React.js, Axios, Tailwind CSS (if used)
• Backend: Node.js, Express.js
• Database: MongoDB (MongoDB Atlas)
• Authentication: JWT, bcrypt
• Email: Nodemailer
• Scheduling: node-cron

📂 Folder Structure

task-manager/
├── backend/
│   ├── controllers/
|   ├── config/
│   ├── models/
│   ├── routes/
|   ├── jobs/
│   └── server.js
├── frontend/
│   ├── src/
│   │   ├── components/
│   │   ├── pages/
│   │   └── App.jsx
└── README.md

🛠️ Installation

Prerequisites => Node.js and npm installed => MongoDB Atlas URI

Backend Setup

cd backend
npm install
# Create a .env file with the following:
# MONGO_URI=your_mongodb_connection_string
# JWT_SECRET=your_secret_key
# EMAIL=your_email@example.com
# EMAIL_PASSWORD=your_app_password
npm run server

Frontend Setup

cd frontend
npm install
npm start

🔒 Environment Variables

Create a .env file in the backend directory:

MONGO_URI=your_mongodb_connection_string
JWT_SECRET=your_jwt_secret

🔁 Email Reminder Job A background cron job runs every minute using node-cron, and sends email reminders for tasks that are:

Due within the next hour

Not yet reminded (reminderSent: false)

To ensure this works:

Add task dates in near-future (e.g., within 1 hour)

Verify email and task creation work correctly

Configure Gmail to allow app passwords

📸 Screenshots

Coming Soon...

🤝 Contributing

1. Fork the repo

2. Create your feature branch: git checkout -b feature/YourFeature

3. Commit your changes: git commit -m 'Add some feature'

4. Push to the branch: git push origin feature/YourFeature

5. Open a pull request

📄 License

This project is licensed under the MIT License.

🙋‍♂️ Author

Suraj Chaudhary – @SurajCh6613