re-create DatabaseSeeder

database/seeders/DatabaseSeeder.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Seeder;
+
+class DatabaseSeeder extends Seeder
+{
+    public function run()
+    {
+        if (env('DEV') == 1) {
+            $this->call(DevSeeder::class);
+        } else {
+            $this->call(ProdSeeder::class);
+        }
+    }
+}