Image [https://firebasestorage.googleapis.com/v0/b/deweb-519a7.appspot.com/o/posts%2FBBSKR%2Fcontent-images%2F58bc2bfd-d91c-493d-b089-72613149966a.png?alt=media] * undefined * undefined * undefined * undefined * undefined 우리가 배운 내용에 기반하여 다음 변경 사항을 구현하였습니다 : * undefined * undefined * undefined