This Prebuilt Deployment example demonstrates how to output Vercel Serverless Functions that leverage the "prerender" feature using the Build Output API.

https://build-output-api-prerender-functions.vercel.sh

In this example, the Prerender function renders blog posts from an imaginary CMS "backend service". There are a few "popular" blog posts that are prerendered at build-time and placed into the static directory.

A Prerender function is a Serverless Function, in this case located at .vercel/output/functions/blog/page.func, with an additional configuration file located alongside the .func directory, in this case .vercel/output/functions/blog/page.prerender-config.json.

There is also a "route" in config.json that will direct all HTTP requests under the /blog/* prefix to invoke the Prerender Function.

The optional "fallback" file is also included, which will be served for blog posts that have not yet been rendered.