🛡️ User Signup & JWT Auth API (FastAPI)

This is a simple and secure backend API built using FastAPI for handling user registration, login, password hashing, and JWT-based authentication.

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🚀 Features

• ✅ User Signup with Email Validation
• 🔐 Password Hashing using passlib
• 🔓 JWT Token Generation on Login
• 📧 Email format validation (EmailStr)
• 🔒 Protected endpoints using OAuth2 Bearer Token
• 🗃️ SQLite Database (with SQLAlchemy ORM)
• 📂 Environment-based configuration (.env support)

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📁 Project Structure

• user_signup_project/
• main.py # FastAPI app entry point
• models.py # Pydantic models & DB models
• database.py # Database setup (SQLAlchemy + SQLite)
• utils.py # Utility functions (hashing, JWT)
• auth.py # JWT creation & token handling
• .env # Environment variables

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🧪 Installation & Running

1️⃣ Clone the repo

git clone https://github.com/vinay-dev95/user_signup_project.git
cd user_signup_project

 uvicorn main:app --host 0.0.0.0 --port 8000 --reload

 Dependencies
fastapi

uvicorn

python-dotenv

passlib[bcrypt]

sqlalchemy

pydantic

python-jose (for JWT)