문제1: bcypt.hash를 사용해 model.create(data) 할 때The first argument must be of type string or an instance of Buffer, ArrayBuffer, or Array or an Array-like
문제: img tag 요청이 401 status를 response unauthorized해결: fetch or axios를 사용해 http request에 Authorization 헤더를 주입해 주어야 한다why? Authorization: Bearer JWT toke
참고: Prevent "React state update on unmounted component" warning when setting state on async callbackAsk Question