pip install fastapi

pip install uvicorn # ASGI server

pip install starlette # lightweight ASGI framework/toolkit

pip install pydantic # Data validation and type annotations

# OR

pip install fastapi uvicorn starlette pydantic

import uvicorn

from fastapi import FastAPI

​

app = FastAPI()

​

@app.get("/")

async def root():

    return {"message": "Hello World"}

​

if __name__ == '__main__':

    uvicorn.run(app, port=8080, host="0.0.0.0")

from fastapi import FastAPI

​

app = FastAPI()

​

​

@app.get("/")

async def root():

    return {"message": "Hello World"}

<project-name>/src/<project-module-name>/main.py

​

from fastapi import FastAPI

import uvicorn

​

app = FastAPI()

​

@app.get("/")

def read_root():

    return {"Hello": "World"}

​

def start():

    uvicorn.run("src.<project-module-name>.main:app", host="127.0.0.1", port=8000)

​

def dev():

    uvicorn.run("src.<project-module-name>.main:app", host="127.0.0.1", port=8000, reload=True)

​

[tool.poetry]

name = "<project-name>"

version = "0.1.0"

description = ""

authors = ["FirstName <email@gmail.com>"]

readme = "README.md"

packages = [{ include = "<project-module-name>", from = "src" }]

​

[tool.poetry.dependencies]

python = "^3.12"

fastapi = "^0.109.0"

uvicorn = { extras = ["standard"], version = "^0.25.0" }

​

[build-system]

requires = ["poetry-core"]

build-backend = "poetry.core.masonry.api"

​

# script

[tool.poetry.scripts]

dev = "src.<project-module-name>.main:dev"

start = "src.<project-module-name>.main:app"

​

Best framework