Host your async app without spending a dime using AWS Lambda

If you have an async app, an internal tool, side project or PoC, there's no reason to pay for a machine that's awake all day for a job that takes so little time. That's where AWS Lambda comes in, charging you only when your function gets executed, with a generous free tier. So how do you take what you have, written with FastAPI, Express, Django, Fastify or whatever, and drop it into Lambda without a lot of refactoring? AWS Lambda Web Adapter AWS maintains an open source project calle