Create Nest.js modules with custom config

importing.module.ts

import { Module } from '@nestjs/common';
import { MyLibModule } from './my-lib.module';

@Module({
  imports: [
    MyLibModule.register({ name: 'Enzo' }),
  ]
})
export class ImportingModule {}

my-lib.module.ts

import { Module, DynamicModule } from '@nestjs/common';
import { MyLibService } from './my-lib.service';

export interface Config {
  name: string;
}

@Module({})
export class MyLibModule {
  static register(options: Config): DynamicModule {
    return {
      module: MyLibModule,
      providers: [
        {
          provide: MyLibService,
          useValue: new MyLibService(options)
        }
      ],
      exports: [
        MyLibService
      ]
    };
  }
}

my-lib.service.ts

import { Injectable } from '@nestjs/common';
import { Config } from './my-lib.module';

@Injectable()
export class MyLibService {

  private readonly config: Config;

  constructor(config: Config) {
    this.config = config;
  }

  greet() {
    console.log(`Hello ${this.config.name}`);
  }
}