Blog API Backend

A fully-featured RESTful API for a blogging platform built with Node.js, Express, PostgreSQL, and Sequelize ORM.

Features

• JWT-based Authentication with bcrypt-hashed passwords
• CRUD operations for Posts
• Commenting system (Create, Update, Delete)
• Toggle Likes on posts
• Image Upload support using multer
• Sequelize ORM with PostgreSQL
• Environment-based configuration with .env
• Organized MVC-style folder structure
• RESTful API routes

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Project Structure

blog-api-backend/
├── config/             # Sequelize DB config
├── controllers/        # Controller functions (auth, post, like, comment)
├── middlewares/        # Authentication & File Upload Middleware
├── models/             # Sequelize models
├── routes/             # API route handlers
├── migrations/         # Sequelize migration files
├── seeders/            # Data seeding (optional)
├── uploads/            # Uploaded images
├── .env                # Environment variables
├── .gitignore          # Git ignored files
├── app.js              # Main Express app
├── server.js           # App entry point
└── README.md           # Project documentation

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Authentication Routes

Register

POST /api/auth/register

{
  "username": "hari",
  "email": "[email protected]",
  "password": "123456"
}

Login

POST /api/auth/login

{
  "email": "[email protected]",
  "password": "123456"
}

Returns JWT token to be used in Authorization header as Bearer <token>.

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Post Routes

Method	Endpoint	Access	Description
GET	/api/posts	Public	Get all posts
GET	/api/posts/:id	Public	Get a specific post
POST	/api/posts/	Auth	Create a new post
PUT	/api/posts/:id	Auth	Update your post
DELETE	/api/posts/:id	Auth	Delete your post

You can also upload an image via multipart/form-data with image field.

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Comment Routes

Method	Endpoint	Access	Description
POST	/api/comments/:postId	Auth	Add a comment to a post
PUT	/api/comments/:id	Auth	Edit a comment
DELETE	/api/comments/:id	Auth	Delete a comment

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Like Routes

Method	Endpoint	Access	Description
POST	/api/likes/:postId	Auth	Like or Unlike a post

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Setup Instructions

1. Clone the Repo

git clone https://github.com/haripatel07/blog-api-backend.git
cd blog-api-backend

2. Install Dependencies

npm install

3. Configure Environment Variables

Create a .env file:

PORT=3000
DB_USER=your_db_user
DB_PASS=your_db_pass
DB_NAME=your_db_name
DB_HOST=localhost
JWT_SECRET=your_jwt_secret

4. Setup the Database

npx sequelize db:create
npx sequelize db:migrate

5. Run the Server

npm start

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Tech Stack

• Backend: Node.js, Express.js
• Database: PostgreSQL
• ORM: Sequelize
• Authentication: JWT + bcrypt
• File Uploads: multer
• Environment Config: dotenv

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Author

Hari Patel
GitHub

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License

Licensed under the MIT License.