install Barryvdh laravel cors and setting

backend/app/Http/Kernel.php

@@ -20,6 +20,7 @@ class Kernel extends HttpKernel
         \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
         \App\Http\Middleware\TrustProxies::class,
         \App\Http\Middleware\SetLocale::class,
+        \Barryvdh\Cors\HandleCors::class,
     ];
 
 

backend/composer.json

@@ -9,6 +9,7 @@
     "license": "MIT",
     "require": {
         "php": "^7.1.3",
+        "barryvdh/laravel-cors": "^0.11.2",
         "fideloper/proxy": "^4.0",
         "laravel/framework": "5.7.*",
         "laravel/socialite": "^4.0",

backend/config/cors.php

@@ -0,0 +1,23 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Laravel CORS
+    |--------------------------------------------------------------------------
+    |
+    | allowedOrigins, allowedHeaders and allowedMethods can be set to array('*')
+    | to accept any value.
+    |
+    */
+
+    'supportsCredentials' => false,
+    'allowedOrigins' => ['*'],
+    'allowedOriginsPatterns' => [],
+    'allowedHeaders' => ['*'],
+    'allowedMethods' => ['*'],
+    'exposedHeaders' => [],
+    'maxAge' => 0,
+
+];