firq-dev-website/serve.json

{
  "directoryListing": ["/!assets/**"],
  "headers": [
    {
      "source": "**/*.@(jpg|jpeg|gif|png|webp)",
      "headers": [
        {
          "key": "Cache-Control",
          "value": "no-cache"
        }
      ]
    }
  ]
}