Faça deploy de uma aplicação FastAPI com Uvicorn

pip install fastapi uvicorn

import os

import uvicorn
from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def hello_world():
    return {"message": "Hello, World!"}


if __name__ == "__main__":
    # A Square Cloud define PORT=80; 0.0.0.0 aceita conexões de fora do container.
    uvicorn.run(app, host="0.0.0.0", port=int(os.environ.get("PORT", 80)))

fastapi
uvicorn

MAIN=main.py
MEMORY=512
VERSION=recommended
DISPLAY_NAME=My FastAPI app
SUBDOMAIN=my-fastapi-app
START=python -m uvicorn main:app --host 0.0.0.0 --port 80