Spring Boot Profiles - @Profile, application-{profile}.yml

    Question 1: CORE SPRING BOOT - Purpose of Profiles

    What is the main purpose of using profiles in Spring Boot?

    Question 2: CORE SPRING BOOT - @Profile Annotation

    Which of the following best describes the @Profile annotation?

    Question 3: CORE SPRING BOOT - Activating Profiles

    How can you activate a Spring profile in a Spring Boot application?

    Question 4: CORE SPRING BOOT - Profile-Specific YAML

    Which of the following is a correct way to define a profile-specific configuration in YAML?

    Question 5: CORE SPRING BOOT - Code Snippet (@Profile)

    What will happen when this code runs with the "dev" profile active?

    @Component
@Profile("dev")
public class DevDatabaseConfig implements DatabaseConfig {}

    Question 6: CORE SPRING BOOT - Multiple Profiles in a Bean

    How can you make a bean active for multiple profiles?

    Question 7: CORE SPRING BOOT - Code Snippet (Profile-Specific Property)

    Which value will be injected into port when the "prod" profile is active?

    server:
  port: 8080
---
spring:
  profiles: prod
server:
  port: 9090

@Value("${server.port}")
private int port;

    Question 8: CORE SPRING BOOT - Default Profile

    What is the default profile in Spring Boot if no profile is explicitly activated?

    Question 9: CORE SPRING BOOT - Code Snippet (@Profile with Configuration)

    Consider the following configuration class:

    @Configuration
@Profile("test")
public class TestConfig {
    @Bean
    public String testBean() {
        return "Test Bean";
    }
}

    What happens when the "dev" profile is active?

    Question 10: CORE SPRING BOOT - Best Practices with Profiles

    Which of the following is considered a best practice when using Spring Boot profiles?