CORS Preflight 405 해결하기

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

app = FastAPI()

app.add_middleware(
  CORSMiddleware,
  allow_origins=["https://app.example.com"],
  allow_credentials=True,
  allow_methods=["*"],
  allow_headers=["*"],
)

import express from 'express';
import cors from 'cors';

const app = express();

app.use(cors({
  origin: 'https://app.example.com',
  credentials: true,
  methods: ['GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'OPTIONS'],
}));