Building Scalable Web Applications That Solve Real Business Problems.

01final class OrderService
02public function place(Order $order): Receipt
03  DB::transaction(fn () => $this->settle($order));
04  Cache::tags('book')->flush();
05  return Receipt::from($order);

01Route::middleware('auth:sanctum')->group(function () {
02  Route::apiResource('orders', OrderController::class);
03  Route::post('orders/{order}/settle', SettleOrder::class)
04    ->middleware('throttle:60,1');
05});

01class OrderBook extends Component
02  public string $symbol = 'BTCUSD';
03  #[On('order-placed')]
04  public function refreshBook(): void
05  { $this->dispatch('$refresh'); }

01export function useOrders(symbol: string) {
02  return useQuery({
03    queryKey: ['orders', symbol],
04    queryFn: () => api.get(`/orders?symbol=${symbol}`),
05  });

01export default async function Page() {
02  const orders = await getOrders({ cache: 'no-store' });
03  return <OrderTable rows={orders} />;
04}
05export const revalidate = 30;

01SELECT symbol, SUM(quantity) AS volume
02FROM orders
03WHERE status = 'settled'
04  AND created_at >= NOW() - INTERVAL 1 DAY
05GROUP BY symbol ORDER BY volume DESC;

01FROM php:8.3-fpm-alpine
02RUN docker-php-ext-install pdo_mysql opcache
03COPY --from=composer /usr/bin/composer /usr/bin/composer
04COPY . /var/www/html
05CMD ["php-fpm", "-F"]