Blog Backend API (MERN Stack)

A RESTful Blog Backend API built using Node.js, Express, and MongoDB. This project demonstrates CRUD operations, pagination, likes, and comments functionality for blog posts.

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🚀 Features

• Create Blog Post
• Update Blog Post
• Delete Blog Post
• Like a Post
• Comment on a Post
• Pagination for Posts
• Clean MVC-style backend structure

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🛠 Tech Stack

• Node.js
• Express.js
• MongoDB
• Mongoose
• Nodemon
• Dotenv

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📁 Project Structure

blog-backend-api
│
├── config
│   └── db.js
│
├── controllers
│   └── postController.js
│
├── models
│   └── Post.js
│
├── routes
│   └── postRoutes.js
│
├── .env
├── server.js
└── package.json

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⚙️ Installation

Clone the repository

git clone https://github.com/yourusername/blog-backend-api.git

Move into the project

cd blog-backend-api

Install dependencies

npm install

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🔐 Environment Variables

Create a .env file in the root directory.

Example:

PORT=5000
MONGO_URI=mongodb://127.0.0.1:27017/blogDB

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▶️ Run the Server

Start development server

npm run dev

Server will run on

http://localhost:5000

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📌 API Endpoints

Create Post

POST /api/posts

Body

{
 "title": "My First Blog",
 "content": "This is my first blog post"
}

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Get Posts (Pagination)

GET /api/posts?page=1&limit=5

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Update Post

PUT /api/posts/:id

Body

{
 "title": "Updated Blog Title"
}

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Delete Post

DELETE /api/posts/:id

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Like Post

POST /api/posts/:id/like

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Add Comment

POST /api/posts/:id/comment

Body

{
 "text": "Great blog!"
}

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🧪 API Testing

You can test APIs using:

• Thunder Client (VS Code)
• Postman

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📦 Example Response

{
 "title": "First Blog",
 "content": "Testing local MongoDB",
 "likes": 1,
 "comments": [],
 "createdAt": "2026-03-09T10:22:35.639Z"
}

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🎯 Learning Outcomes

This project helped practice:

• REST API development
• MongoDB schema design
• Pagination
• Express routing
• MVC backend structure

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👨‍💻 Author

Mitesh Nadiyapara

MERN Stack Developer