seed development user on startup

backend/database/seeders/DatabaseSeeder.php

@@ -11,5 +11,6 @@ class DatabaseSeeder extends Seeder
      */
     public function run(): void
     {
+        $this->call(UserSeeder::class);
     }
 }

backend/database/seeders/UserSeeder.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\User\UserModel;
+use Illuminate\Database\Seeder;
+
+class UserSeeder extends Seeder
+{
+    public function run(): void
+    {
+        UserModel::firstOrCreate([
+            'email' => 'user@example.com',
+        ]);
+    }
+}