在NestJs中，如何根据接口注入服务？

interface MyService {
  doSomething(): void;
}

@Injectable()
class MyServiceImpl implements MyService {
  doSomething(): void {
    console.log('Doing something...');
  }
}

@Module({
  providers: [MyServiceImpl],
})
class AppModule {
  constructor(private readonly myService: MyService) {}
}

@Controller()
class MyController {
  constructor(private readonly myService: MyService) {}

  @Get()
  doSomething(): void {
    this.myService.doSomething();
  }
}