first upload all files

Modules/Coupon/Database/Seeders/CouponDatabaseSeeder.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Modules\Coupon\Database\Seeders;
+
+use Illuminate\Database\Seeder;
+use Modules\Coupon\Entities\Coupon;
+
+class CouponDatabaseSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        factory(Coupon::class, 10)->create();
+    }
+}