📝 Todo Application – Next.js + Node.js

A production-grade full-stack Todo Application built with Next.js (Frontend) and Node.js (Backend).

This repository is open for open-source contributions. If you’re looking to collaborate on a real-world structured application with frontend + backend integration, this is the right place.

📌 Project Overview

This project is a modern Todo management system designed with:

⚡ Next.js (App Router) for frontend

🟢 Node.js + Express for backend

🔐 Authentication support

🗂 Task categorization (Previous / Today / Tomorrow)

🌐 REST API integration

🧩 Context API-based state management

🎯 Scalable architecture ready for production expansion

The goal is to maintain clean architecture, predictable state management, and production-safe coding standards.

🚀 Tech Stack

Frontend

Next.js

React

Context API

Modern CSS / Tailwind / Bootstrap

Fetch / Axios for API communication

Backend

Node.js

Express.js

REST APIs

Authentication handling

Database (MongoDB)

🛠 Prerequisites

Before running this project locally, ensure you have:

Node.js (v18+ recommended)

npm or yarn

Git

Database installed (if required, e.g., MongoDB)

Environment variables configured

Check installation:

node -v
npm -v

📥 How to Clone & Run Locally

1️⃣ Clone the Repository

git clone https://github.com/YOUR_USERNAME/YOUR_REPO_NAME.git
cd YOUR_REPO_NAME

2️⃣ Install Dependencies

For Frontend:

cd client
npm install

For Backend:

cd server
npm install

3️⃣ Setup Environment Variables

Create .env files in both client and server directories.

Example (Server)

PORT=5000
MONGO_URI=your_mongodb_connection_string
JWT_SECRET=your_secret_key

Example (Client)

NEXT_PUBLIC_API_URL=http://localhost:5000

4️⃣ Run the Application

Start Backend

cd server
npm start

Start Frontend

cd client
npm run dev

Frontend will run on:

http://localhost:3000

🏗 Project Structure (High-Level)

root/
│
├── client/        → Next.js frontend
├── server/        → Node.js backend
├── README.md

🤝 Open Source Contributions

This repository is actively open for contributions.

---

We welcome:

UI improvements

Performance optimizations

Code refactoring

Feature additions

Bug fixes

Security improvements

Production readiness enhancements

📋 Contribution Guidelines

To maintain quality and scalability, all contributors must follow these rules:

1. Fork & Branch Strategy

Fork the repository

Create a new feature branch:

git checkout -b feature/your-feature-name

2. Production-Safe Code Requirement

All contributions must:

Follow clean code principles

Avoid breaking existing features

Be optimized and scalable

Avoid unnecessary re-renders

Follow proper error handling

Avoid console logs in production code

Use environment variables properly

Not expose secrets

Maintain consistent folder structure

3. UI Changes Requirements

If you modify the UI:

You must include in your Pull Request:

📸 Before & After screenshots

📄 Clear explanation of:

    What was changed

    Why it was changed

    UX improvement justification

    Performance impact (if any)

Without screenshots and explanation, PR will not be reviewed.

4. Backend Changes Requirements

If you modify the server:

You must include:

Detailed explanation of:

    What logic was changed

    Why it was changed

    API contract impact

    Database impact

    Any new environment variables

Example request/response format

Backward compatibility confirmation

5. Testing Requirement

Before submitting PR:

Ensure the application runs without errors

Ensure no breaking changes

Test all related flows manually

Confirm build passes:

Frontend:

npm run build

Backend:

npm run build

The code must pass production builds successfully.

6. Commit Message Standards

Use structured commit messages:

feat: added task filtering
fix: resolved infinite re-render issue
refactor: optimized context state update

📦 Pull Request Checklist

Before submitting PR, confirm:

 Code builds successfully

 No console errors

 No warnings

 Proper error handling added

 Screenshots attached (if UI changed)

 Detailed explanation included

 Code is production safe

🚀 Roadmap

Future Improvements:

Role-based authentication

Dark/Light theme

Drag & drop task management

Task deadlines & reminders

Unit testing integration

CI/CD setup

Dockerization

Contributors are welcome to help drive these improvements.

🔐 Security Policy

Do not expose API keys or secrets.

Do not hardcode credentials.

All sensitive configurations must use environment variables.

📢 Maintainer Notes

This repository is maintained with a focus on:

Scalability

Clean architecture

Predictable state management

Production readiness

If you are contributing, treat this as a real-world product environment.

⭐ Support

If you find this project useful:

Star the repository

Share it

Contribute

📬 Contact

For collaboration, discussions, or feature proposals:

Open an Issue

Start a Discussion

Submit a Pull Request