From 74cbf43225b5619767f9699206499b07167def9e Mon Sep 17 00:00:00 2001 From: JJ Kasper Date: Wed, 16 Nov 2022 10:59:22 -0800 Subject: [PATCH] Document regions config for experimental-edge --- docs/api-routes/edge-api-routes.md | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/docs/api-routes/edge-api-routes.md b/docs/api-routes/edge-api-routes.md index d05af1488103dcf..ae9378b6f506066 100644 --- a/docs/api-routes/edge-api-routes.md +++ b/docs/api-routes/edge-api-routes.md @@ -106,6 +106,25 @@ export default async function handler(req: NextRequest) { } ``` +### Configuring Regions (for deploying) + +You may want to restrict your edge function to specific regions when deploying so that you can colocate near your data sources ensuring lower response times which can be achieved as shown. + +Note: this config is available in `v12.3.2` of Next.js and up. + +```js +import { NextResponse } from 'next/server' + +export const config = { + regions: ['sfo1', 'iad1'], // defaults to 'all' +} + +export default async function handler(req: NextRequest) { + const myData = await getNearbyData() + return NextResponse.json(myData) +} +``` + ## Differences between API Routes Edge API Routes use the [Edge Runtime](/docs/api-reference/edge-runtime.md), whereas API Routes use the [Node.js runtime](/docs/advanced-features/react-18/switchable-runtime.md).