Spring Cloud Config Server — Spring Technical Interview Questions & Answers

Centralized, versioned configuration for many services.

Spring Cloud Config Server

  • Cloud Config Server is a Spring topic. In plain words you use it for a short Cloud Config Server example in a small REST app. Don’t start with a slogan — start with that picture.
  • Smallest example: the smallest Cloud Config Server example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Cloud Config Server.
  • From the example next to this theory: Centralized, versioned configuration for many services.
  • Trap: only saying “Cloud Config Server” with no example. Fix that before you talk about advanced Spring.
  • Viva: what is Cloud Config Server? Then show the smallest Cloud Config Server example you can type. Then name the trap.

Technical Interview Tip: What is Cloud Config Server? Show this: the smallest Cloud Config Server example you can type. Trap: only saying “Cloud Config Server” with no example.

Code Examples for Spring Cloud Config Server

Spring Cloud Config Server — working example

// Topic: Spring Cloud Config Server
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
class TopicController {
  @GetMapping("/api/topic")
  String topic() {
    return "Spring Boot: Spring Cloud Config Server";
  }
}

Spring Cloud Config Server: GET /api/topic returns this title string.

How to Explain Spring Cloud Config Server to an Interviewer

What is Cloud Config Server?

Used for a short Cloud Config Server example a small REST app Not just the heading

Give one small example of Cloud Config Server.

the smallest Cloud Config Server example you can type Centralized, versioned configuration for many services

What mistake do beginners make with Cloud Config Server?

only saying “Cloud Config Server” with no example Show the fix

Where do you use Cloud Config Server?

a small REST app a short Cloud Config Server example