src/modules/email/email.module.ts

import { MailerModule } from '@nestjs-modules/mailer';
import { HandlebarsAdapter } from '@nestjs-modules/mailer/dist/adapters/handlebars.adapter';
import { Global, Module } from '@nestjs/common';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { join } from 'node:path';
import { IEmailService } from './email-service.interface';
import { EmailService } from './email.service';

@Global()
@Module({
  imports: [
    ConfigModule,
    MailerModule.forRootAsync({
      useFactory: (config: ConfigService) => ({
        transport: {
          host: config.get('SMTP_HOST'),
          port: config.get('SMTP_PORT'),
          secure: false,
          auth: {
            user: config.get('SMTP_USER'),
            pass: config.get('SMTP_PASS'),
          },
        },
        defaults: {
          from: config.get('SMTP_FROM'),
        },
        template: {
          dir: join(process.cwd(), 'src/modules/email/templates'),
          adapter: new HandlebarsAdapter(),
          options: {
            strict: true,
          },
        },
      }),
      inject: [ConfigService],
    }),
  ],
  providers: [
    {
      provide: IEmailService,
      useClass: EmailService,
    },
  ],
  exports: [IEmailService],
})
export class EmailModule {}