box-nestjs-monorepo/apps/box-mgnt-api/src/app.module.ts

import { Module, OnModuleInit } from '@nestjs/common';
import { ConfigModule } from '@nestjs/config';
import { DevtoolsModule } from '@nestjs/devtools-integration';
import dayjs from 'dayjs';
import timezone from 'dayjs/plugin/timezone.js';
import utc from 'dayjs/plugin/utc.js';
import { CommonModule } from '@box/common/common.module';
import { SharedModule } from '@box/db/shared.module';
import { appConfigFactory } from './app.config';
import { validateEnvironment } from './config/env.validation';

import { LoggerModule } from 'nestjs-pino';
import { MgntBackendModule } from './mgnt-backend/mgnt-backend.module';
import pinoConfig from '@box/common/config/pino.config'; // adjust if your export name differs

@Module({
  imports: [
    // Global config, load from .env.mgnt.dev then .env with validation
    ConfigModule.forRoot({
      isGlobal: true,
      envFilePath: ['.env.mgnt.dev', '.env'],
      validate: validateEnvironment,
    }),
    ConfigModule.forFeature(appConfigFactory),

    CommonModule,

    // Shared utilities (includes PrismaModule, UtilsService)
    SharedModule,

    // Pino logger
    LoggerModule.forRoot(pinoConfig),

    // Your actual management backend
    MgntBackendModule,

    // 4) Devtools
    DevtoolsModule.register({
      http: process.env.NODE_ENV === 'development',
    }),
  ],
})
export class AppModule implements OnModuleInit {
  onModuleInit() {
    dayjs.extend(utc);
    dayjs.extend(timezone);
  }
}