generator-nest-js-boilerplate/generators/prisma-casl/templates/postgresql/jwt/prisma/prisma.service.ts

This generator will help you to build your own Nest.js Mongodb API using TypeScript 4

import { INestApplication, Injectable, OnModuleInit } from '@nestjs/common';
import { PrismaClient } from '@prisma/client';

@Injectable()
export default class PrismaService extends PrismaClient implements OnModuleInit {
  async onModuleInit() {
    await this.$connect();
  }

  async enableShutdownHooks(app: INestApplication) {
    this.$on('beforeExit', async () => {
      await app.close();
    });
  }
}