Joshua

> [pipeline] «Array» aggregation pipeline as an array of objects [파이프라인] «Array» 객체 배열로서의 어그레게이션 파이프라인

> We have talking kittens! But we still haven't saved anything to MongoDB. Each document can be saved to the database by calling its save method. The first argument to...

> Kittens can meow, so let's take a look at how to add "speak" functionality to our documents: 새끼 고양이는 야옹하고 웁니다. 그러므로 문서에 "말하기"기능을 추가하는 방법을 살펴 보겠습니다.

> Once our connection opens, our callback will be called. For brevity, let's assume that all following code is within this callback. 연결이 되면 콜백이 호출됩니다. 간략하게 설명하자면, 다음의 모든...

> Next install Mongoose from the command line using npm: npm 을 사용하여 커맨드라인에서 Mongoose를 설치하십시오.

### Prerequisites - [X] I have written a descriptive issue title - [X] I have searched existing issues to ensure the issue has not already been raised ### Issue https://github.com/fastify/fastify-korean/blob/main/docs/Guides/Ecosystem.md