Allow setting the locale from environment

config/app.php

@@ -65,7 +65,7 @@ return [
     |
     */
 
-    'timezone' => 'UTC',
+    'timezone' => env('APP_TIMEZONE', 'UTC'),
 
     /*
     |--------------------------------------------------------------------------
@@ -78,7 +78,7 @@ return [
     |
     */
 
-    'locale' => 'en',
+    'locale' => env('APP_LOCALE', 'en'),
 
     /*
     |--------------------------------------------------------------------------
@@ -91,7 +91,7 @@ return [
     |
     */
 
-    'fallback_locale' => 'en',
+    'fallback_locale' => env('APP_FALLBACK_LOCALE', 'en'),
 
     /*
     |--------------------------------------------------------------------------