force https

app/Providers/AppServiceProvider.php

@@ -34,7 +34,7 @@ class AppServiceProvider extends ServiceProvider
             );
         });
 
-        if (config('app.env') === 'production') {
+        if (config('app.env') === 'production' || config('app.force_https')) {
             URL::forceScheme('https');  
         } 
 

config/app.php

@@ -123,4 +123,5 @@ return [
         'store' => env('APP_MAINTENANCE_STORE', 'database'),
     ],
 
+    'force_https' => env('FORCE_HTTPS', false),
 ];