Mern Chat App

zvezdan99

A real-time Chat application built using the MERN stack (MongoDB, Express, React, Node.js) and styled with Tailwind CSS. It supports user authentication, group chats, and instant messaging with real-time updates via Socket.IO. The application is fully responsive and provides smooth communication with features like notifications and state management

#mern-stack-development #real-time-chat #redux #socket-io #tailwindcss

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Chat Application MERN-Stack Web Application.

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Project Overview

A real-time Chat application built using the MERN stack (MongoDB, Express, React, Node.js) and styled with Tailwind CSS. It supports user authentication, group chats, and instant messaging with real-time updates via Socket.IO. The application is fully responsive and provides smooth communication with features like notifications and state management using Redux.

Technologies & Packages Used

MongoDB: NoSQL database for flexible and scalable data storage.
Express.js: Web application framework for Node.js, providing robust features for web and mobile applications.
Node.js: JavaScript runtime for server-side development.
React.js: A JavaScript library for building reusable UI components and efficient single-page application views.
Tailwind CSS: A utility-first CSS framework for rapid UI development.
Socket.IO: Enables real-time, bidirectional and event-based communication.
JWT (JSON Web Tokens): Securely transmits information between parties as a JSON object.
Redux: A Predictable State Container for JavaScript Apps.
React-Toastify: A JavaScript library for providing toast notifications in React.

Key Features

User Authentication: SignIn, SignUp, and Logout functionality.
Real-time Chat: Users can send and receive messages in real-time.
Group Chat: Create and participate in group chats.
Message Notifications: Get notified of new messages with sound and visual alerts.
State Management: Manage application state efficiently using Redux.
Responsive Design: Tailwind CSS for a responsive and modern user interface.

How to Install

Follow these steps to set up and run the project locally:

Clone the Repository:

git clone https://github.com/zvezdan99/MERN-Chat-App.git
cd Chat_App

Install Dependencies: Frontend Folder :
```
cd frontend
npm install
```
Backend Folder :
```
cd backend
npm install
```
Set Up Environment Variables:

Configure the following environment variables by creating a .env file in the root of Forntend and Backend Folder:

Frontend Folder :
```
VITE_BACKEND_URL=http://localhost:9000
```
Backend Folder :
```
FRONTEND_URL=http://localhost:5173
MONGODB_URI=mongodb://127.0.0.1:27017/chat-app
PORT=9000
JWT_SECRET=secret-kvndkvdlkajkhkJkBiu6JJNjkbhkvnskcmhLJ5dKbkjsamnv
```
Replace the values with your specific configurations.
Run the Application:

Frontend Folder :
```
npm run dev
```
Backend Folder :
```
npm run dev
```
Open in Your Browser:

Open http://localhost:5173 in your web browser.

Project Structure

├── frontend
│   ├── public
│   ├── src
│   │   ├── assets
│   │   ├── components
│   │   ├── pages
│   │   ├── redux
│   │   ├── socket
│   │   ├── utils
│   │   ├── App.jsx
│   │   ├── main.jsx
│   │   └── index.css
│   ├── index.html
│   ├── tailwind.config.js
│   ├── .env
│   └── package.json
├── backend
│   ├── config
│   ├── controllers
│   ├── middlewares
│   ├── models
│   ├── routes
│   ├── server.js
│   ├── .env
│   └── package.json
└── README.md