# 🚀 Docker Multi-Container Web Application

## 📌 Project Overview
This project demonstrates the deployment of a multi-container web application using Docker.

It includes:
- Frontend (Nginx)
- Backend (Node.js)
- Database (MongoDB)
- Mongo Express (DB UI)

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## 🏗️ Architecture
Browser → Frontend → Backend → MongoDB

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## ⚙️ Technologies Used
- Docker
- Docker Compose
- Node.js
- MongoDB
- Nginx

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## 📦 Services and Ports

| Service         | Port |
|----------------|------|
| Frontend       | 8080 |
| Backend        | 3000 |
| MongoDB        | 27017 |
| Mongo Express  | 8081 |

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## 🛠️ Setup

### Prepare
./prepare-app.sh

### Start
./start-app.sh

### Stop
./stop-app.sh

### Remove
./remove-app.sh

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## 💾 Persistence
MongoDB uses Docker volume (mongo-data), so data is محفوظ after restart.

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## 👨‍💻 Author
Sabareesan