vercel.json

{
    "framework": "vite",
    "headers": [
        {
            "source": "/api/(.*)",
            "headers": [
                { "key": "Access-Control-Allow-Origin", "value": "*" },
                { "key": "Access-Control-Allow-Methods", "value": "GET" },
                { "key": "Access-Control-Allow-Headers", "value": "X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version" }
            ]
        }
    ],
    "rewrites": [
        {
            "source": "/api",
            "destination": "/api/vercel"
        },
        {
            "source": "/api/(.*)",
            "destination": "/api/vercel/$1"
        }
    ],
    "functions": {
        "api/vercel/**/*.js": {
            "memory": 1024,
            "maxDuration": 10,
            "includeFiles": "data/**"
        }
    }
}