🚀 Simple REST API (Node.js + Express)

A beginner-friendly REST API built using Node.js and Express.js that performs basic CRUD operations (Create, Read, Update, Delete) on user data.

---

📌 What is this project?

This project demonstrates how a backend server works:

• Handles HTTP requests (GET, POST, PUT, DELETE)
• Manages user data
• Sends JSON responses

It is a foundation project for learning backend development.

---

⚙️ Tech Stack

• Node.js
• Express.js

---

📂 Project Structure

project-folder/
│
├── api.js          # Main server file
├── package.json    # Project metadata
├── .gitignore      # Files to ignore in Git
└── README.md       # Project documentation

---

🔥 Features

• ✅ Get all users
• ✅ Get user by ID
• ✅ Create new user
• ✅ Update existing user
• ✅ Delete user

---

📡 API Endpoints

Method	Endpoint	Description
GET	/users	Get all users
GET	/users/:id	Get user by ID
POST	/users	Create new user
PUT	/users/:id	Update user
DELETE	/users/:id	Delete user

---

🧪 How to Run the Project

1. Clone the repository

git clone https://github.com/YOUR_USERNAME/simple-rest-api.git

2. Navigate into the folder

cd simple-rest-api

3. Install dependencies

npm install

4. Start the server

node api.js

👉 Server will run at:

http://localhost:3000

---

🧪 How to Test API

You can use:

• Postman (recommended)
• Browser (for GET requests)
• curl (terminal)

Example: Create User

POST /users

{
  "name": "Rohit",
  "age": 21
}

---

⚠️ Important Notes

• Data is stored in memory (array), so it will reset when the server restarts
• This is a beginner-level project (no database yet)

---

🚀 Future Improvements

• 🔹 Add MongoDB (Database)
• 🔹 Add Authentication (JWT)
• 🔹 Add Validation
• 🔹 Use MVC architecture
• 🔹 Deploy the API

---

🧠 What You Will Learn

• How REST APIs work
• Express routing
• Request & Response handling
• CRUD operations

---

👨‍💻 Author

Rohit Singh

---

⭐ If you found this helpful

Give this repo a ⭐ on GitHub and share it!

---