Nestjs swagger bearerAuth error

main.ts

import { NestFactory } from '@nestjs/core';
import { AppModule } from './app.module';
import { FastifyAdapter, NestFastifyApplication } from '@nestjs/platform-fastify';
import { ValidationPipe } from '@nestjs/common';
import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
import { ConfigService } from '@nestjs/config';

async function bootstrap() {
  const app = await NestFactory.create<NestFastifyApplication>(AppModule, new FastifyAdapter());
  app.useGlobalPipes(new ValidationPipe());

  const configService = app.get<ConfigService>(ConfigService);
  const packageJsonPath = configService.get<string>('PACKAGE_JSON_PATH', joinPath(__dirname, '../package.json'));
  const pkg = await readFile(packageJsonPath, { encoding: 'utf-8' }).then((content) => JSON.parse(content));
  const appUrl = configService.getOrThrow<string>('APP_URL');
  const document = new DocumentBuilder()
    .setTitle('Backend Service')
    .setVersion(pkg.version)
    .addServer(appUrl)
    .addTag('Authentication', 'Create and manage the authentication sessions')
    .addBearerAuth({
      name: 'firebaseIdToken',
      type: 'http',
      bearerFormat: 'jwt',
      description: 'Firebase user ID token from the login session to authenticate the requests.',
      scheme: 'bearer',
    })
     .build();
  SwaggerModule.setup('/docs', app, () => SwaggerModule.createDocument(app, document));
  await app.listen(process.env.PORT ?? 3000);
}

bootstrap();