Chapter Assessment: Production Readiness

This review covers how the booking service gets ready for production: Actuator endpoints and their security, health indicators and the two probes, metrics and traces, layered container images, graceful shutdown, and the checklist that ties them together. The bank holds 20 questions, and each attempt draws ten. Most questions place you at a running instance, such as a 404 from an endpoint, a health check that hangs, or a booking cut off during a release, and ask what happened or which setting fits. Some ask you to add timeouts or count downloads