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✍️ Blog API (FastAPI + SQLite + Pydantic)

A simple and professional Blog API built with FastAPI, SQLite, and Pydantic. This project demonstrates how to create, list, and delete blog posts while applying data validation, path & query parameters, and database persistence.

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🚀 Features

• 📝 Create Blog Post – Add new posts with title & content
• 📖 List Blog Posts – Fetch all posts with pagination (query params)
• ❌ Delete Blog Post – Remove a post by its ID
• ⚡ FastAPI for modern, high-performance APIs
• ✅ Pydantic Models for request & response validation
• 🗄️ SQLite database for data persistence

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🛠️ Tech Stack

• Python 3.10+
• FastAPI – Web framework
• SQLite – Database
• SQLAlchemy – ORM
• Pydantic – Data validation
• Uvicorn – ASGI server

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📂 Project Structure

blog_api/
│── main.py          # Entry point of the API
│── database.py      # DB connection setup
│── models.py        # SQLAlchemy models
│── schemas.py       # Pydantic models
│── crud.py          # Database operations (create, read, delete)

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⚙️ Installation & Setup

1. Clone the repository

   git clone https://github.com/your-username/blog-api.git
   cd blog-api

2. Create virtual environment

   python -m venv venv
   source venv/bin/activate   # On Linux/Mac
   venv\Scripts\activate      # On Windows

3. Install dependencies

   pip install -r requirements.txt

4. Run the API

   uvicorn blog_api.main:app --reload

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🔗 API Endpoints

➕ Create Blog Post

POST /blogs/ Request body:

{
  "title": "My First Blog",
  "content": "Hello, this is my first post!"
}

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📖 List All Blog Posts

GET /blogs/?skip=0&limit=10

• skip → number of records to skip (default: 0)
• limit → number of records to return (default: 10)

Response:

[
  {
    "id": 1,
    "title": "My First Blog",
    "content": "Hello, this is my first post!"
  }
]

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❌ Delete Blog Post

DELETE /blogs/{blog_id} Example:

DELETE /blogs/1

Response:

{
  "message": "Blog 1 deleted successfully"
}

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📸 API Documentation

Once the server is running, you can explore the interactive docs:

• Swagger UI → http://127.0.0.1:8000/docs
• ReDoc → http://127.0.0.1:8000/redoc

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📌 Future Improvements

• 🔒 Add authentication & authorization (JWT)
• 📝 Update blog posts (PUT/PATCH)
• 🔍 Search & filter blogs
• 📊 Add tags & categories

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🤝 Contributing

Contributions are welcome! Feel free to fork the repo and submit a pull request.

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📜 License

This project is licensed under the MIT License.

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Would you like me to also generate a requirements.txt file so that this README setup works immediately when someone clones your repo?