Managing Application Profiles

java -jar app.jar --spring.profiles.active=prod,metrics,aws

@Configuration
public class MailConfig {
  @Bean @Profile("prod")
  MailSender smtp() { return new SmtpMailSender(); }

  @Bean @Profile({"dev", "test"})
  MailSender mock() { return new InMemoryMailSender(); }
}

spring:
  profiles:
    group:
      production: [prod, metrics, audit]
      qa: [test, h2, mock-mail]

spring:
  application:
    name: app
---
spring:
  config:
    activate:
      on-profile: dev
server:
  port: 8081
---
spring:
  config:
    activate:
      on-profile: prod
server:
  port: 80

@Component
public class ProfilePrinter {
  public ProfilePrinter(Environment env) {
    String[] active = env.getActiveProfiles();
    boolean isProd = Arrays.asList(active).contains("prod");
  }
}

@SpringBootTest
@ActiveProfiles("test")
class OrderServiceTests { /* … */ }