backend/api/app.py

import logging
import os
from pathlib import Path

logging.basicConfig(level=logging.INFO, format="%(name)s: %(message)s")

from dotenv import load_dotenv
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles

from backend.api.routes import router

load_dotenv()

_cors_env = os.getenv("CORS_ORIGINS", "*")
_cors_origins: list[str] | str = (
    "*"
    if _cors_env.strip() == "*"
    else [o.strip() for o in _cors_env.split(",") if o.strip()]
)

app = FastAPI()

app.add_middleware(
    CORSMiddleware,
    allow_origins=_cors_origins,
    allow_methods=["GET", "POST"],
    allow_headers=["Content-Type"],
)

app.include_router(router, prefix="/api")

Path("output").mkdir(exist_ok=True)
app.mount("/output", StaticFiles(directory="output"), name="output")