vercel.json

{
    "$schema": "https://openapi.vercel.sh/vercel.json",
    "buildCommand": "chmod a+x build.sh && ./build.sh",
    "outputDirectory": "public",
    "redirects": [
        {
            "source": "/:path((?!ja/|en/|css/|js/|hugo-theme-console/|favicon.svg|index.xml|sitemap.xml).*)",
            "has": [
                {
                    "type": "header",
                    "key": "x-vercel-ip-country",
                    "value": "JP"
                }
            ],
            "missing": [
                {
                    "type": "cookie",
                    "key": "alexpy_lang"
                }
            ],
            "destination": "/ja/:path*",
            "permanent": false
        }
    ]
}