Twelve explained choices about middleware, async errors, request budgets, and shutdown. Choose an answer, inspect the reason, and return to the related failure drill.
Related lessons
Express Request and Process Boundaries; Express Middleware Order and Request Identity; Express 5 Async Errors and Response Contracts; Node Request Budgets, Abort, and Event Loop Fairness; Node HTTP Drain, Readiness, and Graceful Shutdown; Project: Express permit API lifecycle.