Merge pull request #4703 from thannaske/feature-maintenance-except-routes

[5.6] Adding boilerplate maintenance middleware with excepted URIs array

app/Http/Kernel.php

@@ -14,7 +14,7 @@ class Kernel extends HttpKernel
      * @var array
      */
     protected $middleware = [
-        \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
+        \App\Http\Middleware\CheckForMaintenanceMode::class,
         \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
         \App\Http\Middleware\TrimStrings::class,
         \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,

app/Http/Middleware/CheckForMaintenanceMode.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode as Middleware;
+
+class CheckForMaintenanceMode extends Middleware
+{
+    /**
+     * The URIs that should be reachable while maintenance mode is enabled.
+     *
+     * @var array
+     */
+    protected $except = [
+        //
+    ];
+}