如何托管 FastAPI 应用

pip install fastapi uvicorn

# Import the FastAPI class and the uvicorn ASGI server
from fastapi import FastAPI
import uvicorn

# Create an instance of the FastAPI class
app = FastAPI()

# Define a route for the root URL (/) that returns 'Hello, World!'
@app.get("/")
def hello_world():
  return {"message": "Hello, World!"}

# Check if this script is being run directly (not imported as a module)
if __name__ == "__main__":
  # Run the FastAPI application on host 0.0.0.0 (all available network interfaces) and port 80
  uvicorn.run(app, host="0.0.0.0", port=80)

START=python -m uvicorn main:app --host 0.0.0.0 --port 80