api_directorio/src/app.module.ts

import { ProfesorModule } from './Profesor/profesor.module';
import { ProfesorController } from './Profesor/profesor.controller';
import { ProfesorService } from './Profesor/profesor.service';
import { Module } from '@nestjs/common';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import { TypeOrmModule } from '@nestjs/typeorm';
import { join } from 'path';

@Module({
  imports: [
    ConfigModule.forRoot({
      envFilePath:".env",
      isGlobal: true,
    })
    ,TypeOrmModule.forRootAsync({
      imports:[ConfigModule],
      inject:[ConfigService],
      useFactory: async(configservice:ConfigService)=>({
      type: "mariadb",
      host: configservice.get("DB_HOST"),
      port: configservice.get("DB_PORT"),
      username: configservice.get("DB_USER"),
      password: configservice.get("DB_PASSWORD"),
      database: configservice.get("DB_DATABASE"),
      entities: [],
      synchronize: configservice.get("DB_SYNCRONIZE")
      })
    }),ProfesorModule],
  controllers: [
    ProfesorController, AppController],
  providers: [
    ProfesorService, AppService],
})
export class AppModule { }