fastapi_hello_world.md

• FastAPI Tutorial
  • https://fastapi.tiangolo.com/tutorial/

Install fastapi and uvicorn

pip install fastapi
pip install uvicorn

Run the service

Run following command:

• default host and port is http://127.0.0.1:8000

uvicorn main:app --host <your_host_ip> --port <port> --reload

Go to http://<your_host_ip>:<port> to view the page.

main.py

from fastapi import FastAPI

app = FastAPI()

@app.get("/")
async def root():
    return {"message": "Hello World"}

@app.get("/1")
async def sub():
    return {"message": "sub 1"}

@app.get("/2")
async def sub():
    return {"message": "sub 2"}