[docs] Fix links to docs (vercel#7668)

Author: styfle

errors/domain-verification.md

@@ -16,4 +16,4 @@ If you would not like to verify your domain, you can remove it from your account
 
 #### Resources
 
-- [Vercel Custom Domains Documentation](https://vercel.com/docs/v2/custom-domains)
+- [Vercel Custom Domains Documentation](https://vercel.com/docs/concepts/projects/custom-domains)

errors/missing-env-file.md

@@ -2,7 +2,7 @@
 
 #### Why This Error Occurred
 
-You ran `vercel dev` inside a project that contains a `vercel.json` file with `env` or `build.env` properties that use [Vercel Secrets](https://vercel.com/docs/v2/build-step#environment-variables).
+You ran `vercel dev` inside a project that contains a `vercel.json` file with `env` or `build.env` properties that use [Vercel Secrets](https://vercel.com/docs/concepts/projects/environment-variables).
 
 In order to use environment variables in your project locally that have values defined using the Vercel Secrets format (e.g. `@my-secret-value`), you will need to provide the value as an environment variable using a `.env`.
 
@@ -24,4 +24,4 @@ TEST=value
 
 In the above example, `TEST` represents the name of the environment variable and `value` its value.
 
-For more information on Environment Variables in development, [see the documentation](https://vercel.com/docs/v2/build-step#environment-variables).
+For more information on Environment Variables in development, [see the documentation](https://vercel.com/docs/concepts/projects/environment-variables).

packages/build-utils/src/detect-builders.ts

@@ -538,7 +538,7 @@ function getMissingBuildScriptError() {
     code: 'missing_build_script',
     message:
       'Your `package.json` file is missing a `build` property inside the `scripts` property.' +
-      '\nLearn More: https://vercel.com/docs/v2/platform/frequently-asked-questions#missing-build-script',
+      '\nLearn More: https://vercel.link/missing-build-script',
   };
 }
 

packages/cli/src/commands/alias/set.ts

@@ -73,7 +73,7 @@ export default async function set(
   if (args.length === 0) {
     output.error(
       `To ship to production, optionally configure your domains (${link(
-        'https://vercel.com/docs/v2/custom-domains'
+        'https://vercel.link/domain-configuration'
       )}) and run ${getCommandName(`--prod`)}.`
     );
     return 1;

packages/static-build/src/index.ts

@@ -255,7 +255,7 @@ async function fetchBinary(url: string, framework: string, version: string) {
     throw new NowBuildError({
       code: 'STATIC_BUILD_BINARY_NOT_FOUND',
       message: `Version ${version} of ${framework} does not exist. Please specify a different one.`,
-      link: 'https://vercel.com/docs/v2/build-step#framework-versioning',
+      link: 'https://vercel.link/framework-versioning',
     });
   }
   await spawnAsync(`curl -sSL ${url} | tar -zx -C /usr/local/bin`, [], {
@@ -387,7 +387,7 @@ export const build: BuildV2 = async ({
     Node.js will load 'false' as a string, not a boolean, so it's truthy still.
     This is to ensure we don't accidentally break other packages that check
     if process.env.CI is true somewhere.
-    
+
     https://github.com/facebook/create-react-app/issues/2453
     https://github.com/facebook/create-react-app/pull/2501
     https://github.com/vercel/community/discussions/30