vercel.json

{
  "version": 2,
  "buildCommand": "echo 'Static files ready'",
  "outputDirectory": "web",
  "cleanUrls": true,
  "trailingSlash": false,
  "headers": [
    {
      "source": "/(.*)",
      "headers": [
        { "key": "X-Frame-Options", "value": "SAMEORIGIN" },
        { "key": "X-Content-Type-Options", "value": "nosniff" },
        { "key": "X-XSS-Protection", "value": "1; mode=block" },
        { "key": "Referrer-Policy", "value": "strict-origin-when-cross-origin" }
      ]
    },
    {
      "source": "/assets/(.*)",
      "headers": [
        { "key": "Cache-Control", "value": "public, max-age=31536000, immutable" }
      ]
    }
  ],
  "rewrites": [
    {
      "source": "/(.*)",
      "destination": "/index.html"
    }
  ]
}