Fis-Microservice/apps/fis-fingerprint/src/main.ts

import { NestFactory } from '@nestjs/core';
import { MicroserviceOptions, Transport } from '@nestjs/microservices';
import { ConfigService } from '@nestjs/config';
import 'dotenv/config'
import { FisFingerprintModule } from './fis-fingerprint.module';

async function bootstrap() {
  const host: string = process.env.HOST as unknown as string
  const port: number = process.env.FINGERPRINT_TCP_PORT as unknown as number
  const app = await NestFactory.createMicroservice<MicroserviceOptions>(
    FisFingerprintModule,
    {
      transport: Transport.TCP,
      options: {
        host: host,
        port: port,
        retryAttempts: 5,
        retryDelay: 3000
      },
    }
  );

  await app.listen()
  console.log(`Fingerprint microsservice is running on ${host}:${port}`);
}
bootstrap();