Can you explain the role of the ELK stack (Elasticsearch, Logstash, Kibana) in microservices monitoring?

Short answer: The ELK Stack (Elasticsearch, Logstash, Kibana) is a popular toolset for centralized logging and monitoring in microservices.

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.