Environment-Specific Profiles: Use profiles for different environments (e.g., dev,?

Short answer: test, prod) to maintain separate configuration files. Tools like Spring Profiles or Docker can be used to load the correct configuration based on the environment.

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.