refactor: conditionally execute user and student seeders based on application environment

database/seeders/DatabaseSeeder.php

@@ -14,6 +14,13 @@ class DatabaseSeeder extends Seeder
      */
     public function run(): void
     {
+        if (! app()->isLocal()) {
+            $this->call([
+                ShieldSeeder::class,
+                CourseSeeder::class,
+                CourseScheduleSeeder::class,
+            ]);
+        } else {
             $this->call([
                 ShieldSeeder::class,
                 UserSeeder::class,
@@ -22,4 +29,5 @@ public function run(): void
                 CourseScheduleSeeder::class,
             ]);
         }
+    }
 }