Update multi zones example

docs/advanced-features/multi-zones.md

@@ -33,8 +33,8 @@ For [Vercel](https://vercel.com/), you can use a single `vercel.json` to deploy
 {
   "version": 2,
   "builds": [
-    { "src": "blog/package.json", "use": "@now/next" },
-    { "src": "home/package.json", "use": "@now/next" }
+    { "src": "blog/package.json", "use": "@vercel/next" },
+    { "src": "home/package.json", "use": "@vercel/next" }
   ],
   "routes": [
     { "src": "/blog/_next(.*)", "dest": "blog/_next$1" },

examples/with-zones/README.md

@@ -4,7 +4,7 @@ With Next.js you can use multiple apps as a single app using it's [multi-zones f
 
 - All pages should be unique across zones. For example, the `home` app should not have a `pages/blog/index.js` page.
 - The `blog` app sets [`assetPrefix`](https://nextjs.org/docs/api-reference/next.config.js/cdn-support-with-asset-prefix) so that generated JS bundles are within the `/blog` subfolder.
-  - To also support the plain `next dev` scenario, `assetPrefix` is set dynamically based on the `BUILDING_FOR_NOW` environment variable, see [`vercel.json`](vercel.json) and [`blog/next.config.js`](blog/next.config.js).
+  - To also support the plain `next dev` scenario, `assetPrefix` is set dynamically based on the `BUILDING_FOR_VERCEL` environment variable, see [`vercel.json`](vercel.json) and [`blog/next.config.js`](blog/next.config.js).
   - Images and other `static` assets have to be prefixed manually, e.g., `` <img src={`${process.env.ASSET_PREFIX}/static/image.png`} /> ``, see [`blog/pages/blog/index.js`](blog/pages/blog/index.js).
 
 ## Deploy your own
@@ -15,8 +15,6 @@ Deploy the example using [Vercel](https://vercel.com):
 
 ## How to use
 
-### Using `create-next-app`
-
 Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
 
 ```bash
@@ -25,21 +23,12 @@ npx create-next-app --example with-zones with-zones-app
 yarn create next-app --example with-zones with-zones-app
 ```
 
-### Download manually
-
-Download the example:
-
-```bash
-curl https://codeload.github.com/vercel/next.js/tar.gz/canary | tar -xz --strip=2 next.js-canary/examples/with-zones
-cd with-zones
-```
-
-Install the dependencies of every app (`/home` and `/blog`):
+Before starting the app, you'll need the dependencies of every app (`/home` and `/blog`):
 
 ```bash
-npm install
+(cd home && npm install); (cd blog && npm install);
 # or
-yarn
+(cd home && yarn); (cd blog && yarn);
 ```
 
 Install the [Vercel CLI](https://vercel.com/download) if you don't have it already, and then run [`vercel dev`](https://vercel.com/docs/cli?query=dev#commands/dev) in the main directory to start the development server:

examples/with-zones/blog/next.config.js

@@ -1,4 +1,4 @@
-const assetPrefix = process.env.BUILDING_FOR_NOW ? '/blog' : ''
+const assetPrefix = process.env.BUILDING_FOR_VERCEL ? '/blog' : ''
 
 module.exports = {
   assetPrefix,

examples/with-zones/vercel.json

@@ -2,12 +2,12 @@
   "version": 2,
   "build": {
     "env": {
-      "BUILDING_FOR_NOW": "true"
+      "BUILDING_FOR_VERCEL": "true"
     }
   },
   "builds": [
-    { "src": "blog/package.json", "use": "@now/next" },
-    { "src": "home/package.json", "use": "@now/next" }
+    { "src": "blog/package.json", "use": "@vercel/next" },
+    { "src": "home/package.json", "use": "@vercel/next" }
   ],
   "routes": [
     { "src": "/blog/_next(.*)", "dest": "blog/_next$1" },