Laravel's architecture is designed for scalability and flexibility. Here are four core concepts every developer should understand.
Step 1: Service Providers are where Laravel loads services. You register and boot everything from routes to events.
Step 2: Syntax:
php artisan make:provider MyServiceProvider
Step 3: Use
register() to bind classes, and
boot() to run logic after all services are registered.
Step 4: Service Container is Laravel’s engine for managing dependencies.
Step 5: Binding example:
App::bind('MyClass', MyClass::class)
Step 6: Resolving:
app('MyClass') or constructor injection.
Step 7: Facades offer a static interface to services — like shortcuts.
Step 8: Examples:
Cache::get(),
DB::table(),
Auth::user()
Step 9: Facades resolve services from the container behind the scenes.
Step 10: Dependency Injection (DI) lets Laravel auto-inject classes where needed.
Step 11: Controller DI example:
__construct(MyService $s)
Step 12: Method injection also works:
public function handle(MyJob $job)
Step 13: DI is powered by the container and avoids tight coupling.
Step 14: Laravel prefers constructor injection for services and repositories.
Step 15: These 4 concepts enable clean, testable, and maintainable Laravel apps.