MemberConfigWithProfile.java

@Configuration
public class MemberConfigWithProfile {

  @Autowired
  private DataSource dataSource;

  @Bean
  public MemberDao memberDao() {
    return new MemberDao(dataSource);
  }

  @Configuration
  @Profile("dev")
  public static class DsDevConfig {

    @Bean(destroyMethod = "close")
    public DataSource dataSource() {
      ...
    }

  }

  @Configuration
  @Profile("real")
  public static class DsRealConfig {

    @Bean(destroyMethod = "close")
    public DataSource dataSource() {
      ...
    }

  }

}