vercel.json

{
  "headers": [
    {
      "source": "/(.*)",
      "headers": [
        {
          "key": "Content-Security-Policy",
          "value": "default-src 'self'; img-src 'self' data:; font-src 'self' data:; style-src 'self' 'unsafe-inline'; script-src 'self'; connect-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'; form-action 'self'"
        },
        { "key": "Referrer-Policy", "value": "strict-origin-when-cross-origin" },
        { "key": "X-Content-Type-Options", "value": "nosniff" },
        { "key": "X-Frame-Options", "value": "DENY" },
        {
          "key": "Permissions-Policy",
          "value": "camera=(), microphone=(), geolocation=(), payment=(), usb=(), interest-cohort=()"
        },
        {
          "key": "Strict-Transport-Security",
          "value": "max-age=63072000; includeSubDomains; preload"
        },
        { "key": "Cross-Origin-Opener-Policy", "value": "same-origin" },
        { "key": "Cross-Origin-Resource-Policy", "value": "same-origin" }
      ]
    }
  ],
  "rewrites": [{ "source": "/(.*)", "destination": "/index.html" }]
}