Implement Keystone environment deployments

database/factories/EnvironmentFactory.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Enums\SchedulerMode;
+use App\Models\Application;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Environment>
+ */
+class EnvironmentFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'application_id' => Application::factory(),
+            'name' => 'production',
+            'branch' => 'main',
+            'status' => 'active',
+            'scheduler_enabled' => true,
+            'scheduler_mode' => SchedulerMode::SINGLE,
+            'build_config' => [],
+        ];
+    }
+}