| typora-copy-images-to | ../../../../../home/mhered/fastapi_tutorial/assets/images |
|---|
$ pip install fastapi[all]Create main.py:
from fastapi import FastAPI # 1) import FastAPI
my_app = FastAPI() # 2) create a FastAPI instance in the variable my_app
@my_app.get("/") # 3) define a path operation decorator for GET requests to the URL "/"
async def root(): # 4) write the path operation function
return {"message": "Hello World!"} # 5) return the contentthen 6) run this basic JSON server using uvicorn with:
$ uvicorn main:my_app --reload
INFO: Will watch for changes in these directories: ['/home/mhered/fastapi_tutorial']
INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO: Started reloader process [73948] using watchgod
INFO: Started server process [73950]
INFO: Waiting for application startup.
INFO: Application startup complete.
INFO: 127.0.0.1:41690 - "GET / HTTP/1.1" 200 OK
and 7) open your browser at http://127.0.0.1:8000:
You also get interactive documentation at http://127.0.0.1:8000/docs:
