{
  "rewrites": [
    {
      "source": "/a/:naddr",
      "has": [
        {
          "type": "header",
          "key": "user-agent",
          "value": ".*(bot|crawl|spider|slurp|facebook|twitter|linkedin|whatsapp|telegram|slack|discord|preview).*"
        }
      ],
      "destination": "/api/article-og?naddr=:naddr"
    },
    {
      "source": "/(.*)",
      "destination": "/index.html"
    }
  ]
}