Application with Spring Boot (MercadoPago SDK)

@SpringBootApplication
public class MpSampleApplication implements CommandLineRunner {

   public static void main(String[] args) {
      SpringApplication.run(MpSampleApplication.class, args);
   }

   @Override
   public void run(String... args) throws Exception {
                MercadoPago.SDK.setAccessToken(System.getenv("MP_ACCESS_TOKEN"));
   }
}