main.py

import logging
from typing import Optional
from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel

from unicorn.manager import Manager

logger = logging.getLogger('app')


@asynccontextmanager
async def lifespan(app: FastAPI):
    logger.info(f'On startup of {app.title}')
    yield
    logger.info(f'On shutdown of {app.title}')


app = FastAPI(lifespan=lifespan, title='unicorn app')

app.add_middleware(
    CORSMiddleware,
    allow_origins=[
        "http://0.0.0.0:8000",
    ],
    allow_credentials=True,
    allow_methods=["GET", "POST", "PUT", "DELETE", "OPTIONS", "HEAD"],
    allow_headers=["*"],
)


class Person(BaseModel):
    name: Optional[str]


@app.get("/")
async def index(person: Person, suffix=None):
    name = person.name or "World"
    suffix = suffix or '!'
    return {"message": f"Hello, {name}{suffix}"}


if __name__ == "__main__":
    Manager(app='main:app', host='0.0.0.0', port=8000, workers=2).run()