Liveness Probe:?

Short answer: Used to determine if a service is alive and functioning. If the liveness probe fails, Kubernetes will restart the container. Example: A database connection check can be implemented as a liveness probe.

Real-world example (ShopNest)

ShopNest splits Catalog, Cart, Order, and Payment into services so teams can deploy catalog changes without redeploying payments.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.