feat: allow skipping of middleware handling (#1277)

* feat: allow skipping of middleware handling

* chore: assign config env to process.env

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: ascorbic

src/helpers/files.ts

@@ -60,6 +60,9 @@ export const matchesRewrite = (file: string, rewrites: Rewrites): boolean => {
 }
 
 export const getMiddleware = async (publish: string): Promise<Array<string>> => {
+  if (process.env.NEXT_SKIP_MIDDLEWARE) {
+    return []
+  }
   const manifestPath = join(publish, 'server', 'middleware-manifest.json')
   if (existsSync(manifestPath)) {
     const manifest = await readJson(manifestPath, { throws: false })

src/templates/getHandler.ts

@@ -48,7 +48,9 @@ const makeHandler = (conf: NextConfig, app, pageRoot, staticManifest: Array<[str
   // This is our flag that we use when patching the source
   // eslint-disable-next-line no-underscore-dangle
   process.env._BYPASS_SSG = 'true'
-
+  for (const [key, value] of Object.entries(conf.env)) {
+    process.env[key] = String(value)
+  }
   // Set during the request as it needs the host header. Hoisted so we can define the function once
   let base: string