Update trust proxies for Heroku

app/Http/Middleware/TrustProxies.php

@@ -12,12 +12,12 @@ class TrustProxies extends Middleware
      *
      * @var array
      */
-    protected $proxies;
+    protected $proxies = '**';
 
     /**
      * The headers that should be used to detect proxies.
      *
      * @var int
      */
-    protected $headers = Request::HEADER_X_FORWARDED_ALL;
+    protected $headers = Request::HEADER_X_FORWARDED_AWS_ELB;
 }