define the user management database

src/user/user.module.ts

@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { MongooseModule } from '@nestjs/mongoose';
+import { UserSchema } from './models/user.model';
+import { UserService } from './user.service';
+
+@Module({
+  imports: [MongooseModule.forFeature([{ name: 'user', schema: UserSchema }])],
+  providers: [UserService],
+  exports: [MongooseModule, UserService],
+})
+export class UserModule {}