demand_server/app/main.py

from contextlib import asynccontextmanager

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

from app.api.routes import router
from app.core.config import settings
from app.scheduler.manager import shutdown_scheduler, start_scheduler


@asynccontextmanager
async def lifespan(_: FastAPI):
    start_scheduler()
    try:
        yield
    finally:
        shutdown_scheduler()


app = FastAPI(title=settings.app_name, lifespan=lifespan)
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_allow_origin_list,
    allow_credentials=False,
    allow_methods=["*"],
    allow_headers=["*"],
)
app.include_router(router, prefix="/demand/api/v1")