Prisma + Nest.js

prisma.module.ts

import { Module } from "@nestjs/common";
import { PrismaService } from "./prisma.service";

@Module({
  providers: [PrismaService],
  exports: [PrismaService]
})
export class PrismaModule {}

prisma.service.ts

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

@Injectable()
export class PrismaService extends PrismaClient implements OnModuleInit {
  async onModuleInit() {
    await this.$connect();
  }
  
  async enableShutdownHooks(app: INestApplication) {
    this.$on("beforeExit", async () => {
      await app.close();
    });
  }
}