Real-Time Chat Application

A modern real-time chat application built with Spring Boot WebSocket and a clean HTML/CSS/JS frontend.

🌐 Live Demo

Try the live application at: https://real-time-chat-application-with.onrender.com

🚀 Features

• Real-time messaging using WebSocket
• Message persistence with SQLite database
• Auto-reconnection on connection loss
• Mobile-responsive design
• Clean and modern UI
• Docker support for easy deployment

🛠️ Local Development

Prerequisites

• Java 17 or higher
• Maven
• Docker (optional, for containerized development)

Option 1: Using Docker (Recommended)

1. Start Docker Desktop
2. Run the application:

   .\start-docker.bat

3. Open http://localhost:8080

Option 2: Using Maven

1. Run the application:

   .\start-local.bat

2. Open http://localhost:8080

📁 Project Structure

├── src/                    # Java backend code
├── frontend/               # HTML frontend
├── Dockerfile             # Docker configuration
├── docker-compose.yml     # Local development
├── start-local.bat        # Maven startup
└── start-docker.bat       # Docker startup

🛠️ Built With

• Backend: Spring Boot, WebSocket, SQLite
• Frontend: HTML5, CSS3, JavaScript
• Container: Docker
• Build Tool: Maven

📝 License

This project is licensed under the MIT License - see the LICENSE file for details.