LambdaHandler.groovy

@SpringBootApplication
@Log4j
class LambdaHandler implements RequestHandler<Map, Response> {

  @Memoized
  ApplicationContext getApplicationContext(String[] args = []) {
    return SpringApplication.run(LambdaHandler.class, args)
  }

  @Override
  Response handleRequest(Map input, Context context) {
    final Request request = new Request(input, context)
    DispatcherService dispatcher = getApplicationContext().getBean(DispatcherService.class)
    return dispatcher.dispatch(request)
  }
}