Spring Boot - Setting Active Profile in external properties

In spring boot application, profiles can be activated by setting comma separate values for the spring.profiles.active Environment property. This property can either be set on the command line --spring.profiles.active switch or by putting it in external properties file (e.g. in the default application.properties file).

Example

We are going to use spring.profiles.active, in application.properties, to specify the active profile.

@SpringBootConfiguration
public class ExampleMain {
  @Bean
  @Profile("in-memory")
  InventoryService inMemoryInventoryService() {
      return new InMemoryInventoryServiceImpl();
  }

  @Bean
  @Profile("production")
  InventoryService productionInventoryService() {
      return new InventoryServiceImpl();
  }

  public static void main(String[] args) throws InterruptedException {
      ApplicationContext context = SpringApplication.run(ExampleMain.class, args);
      InventoryService service = context.getBean(InventoryService.class);
      service.addStockItem("item1", 10, BigDecimal.valueOf(20.5));
  }
}

public class InMemoryInventoryServiceImpl implements InventoryService {
  @Override
  public void addStockItem(String itemName, int qty, BigDecimal unitPrice) {
      System.out.println("adding item in InMemoryInventoryServiceImpl: " + itemName);
  }
}

src/main/resources/application.properties

spring.profiles.active=in-memory

Output

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.5.4.RELEASE)

2017-07-12 11:04:20.199  INFO 15376 --- [mpleMain.main()] com.logicbig.example.ExampleMain         : Starting ExampleMain on JoeMsi with PID 15376 (D:\LogicBig\example-projects\spring-boot\boot-active-profile-example\target\classes started by Joe in D:\LogicBig\example-projects\spring-boot\boot-active-profile-example)
2017-07-12 11:04:20.201  INFO 15376 --- [mpleMain.main()] com.logicbig.example.ExampleMain         : The following profiles are active: in-memory
2017-07-12 11:04:20.375  INFO 15376 --- [mpleMain.main()] com.logicbig.example.ExampleMain         : Started ExampleMain in 0.367 seconds (JVM running for 4.038)
adding item in InMemoryInventoryServiceImpl: item1

Example Project

Dependencies and Technologies Used:

• Spring Boot 1.5.4.RELEASE
  Corresponding Spring Version 4.3.9.RELEASE
• spring-boot-starter : Core starter, including auto-configuration support, logging and YAML.
• JDK 1.8
• Maven 3.3.9