# Core backend framework fastapi uvicorn starlette sqlalchemy alembic asyncpg psycopg2-binary sqlmodel argon2-cffi # Environment & security python-dotenv passlib bcrypt python-jose email-validator # Utilities requests pydantic pydantic-settings jinja2 loguru python-multipart # Async & file handling aiofiles aiohttp # CORS & middleware django-cors-headers flask-cors # Task scheduling / background watchfiles # Data processing / analytics numpy pandas scikit-learn matplotlib # Cloud / integrations boto3 sendgrid stripe # Deployment & server gunicorn whitenoise # Utilities for development black ruff pytest