astro/.changeset/tricky-snails-poke.md
Matthew Phillips 154af8f5ea
Split support in the Vercel Serverless adapter (#7514)
* start of vercel split support

* Split Mode with the Vercel Adapter

* Write routes into the config.json

* Add a changeset

* Add docs

* Better changeset
2023-06-29 16:18:28 -04:00

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---
'@astrojs/vercel': minor
---
Split support in Vercel Serverless
The Vercel adapter builds to a single function by default. Astro 2.7 added support for splitting your build into separate entry points per page. If you use this configuration the Vercel adapter will generate a separate function for each page. This can help reduce the size of each function so they are only bundling code used on that page.
```js
// astro.config.mjs
import { defineConfig } from 'astro/config';
import vercel from '@astrojs/vercel/serverless';
export default defineConfig({
output: 'server',
adapter: vercel(),
build: {
split: true
}
});
```