Server-side Rendering (SSR)

Every visit to this page triggers getServerData(). Gatsby Firebase adapter executes that handler in a Cloud Function, fetches fresh data from Dog CEO, and streams the HTML response back through Firebase Hosting.

{
  "dogUrl": "https://images.dog.ceo/breeds/wolfhound-irish/n02090721_3564.jpg",
  "status": "success",
  "fetchedAt": "2026-10-25T12:04:41.389Z"
}
Happy dog sourced at request time

Rendered at: 10/25/2026, 12:04:41 PM

Refresh the page to trigger a new Cloud Function invocation and fetch another photo.