client

npx create-react-app .
npm install sass
npm install react-bootstrap bootstrap
npm install react-router-dom
npm install axios
npm install http-proxy-middleware
npm install @emotion/css
npm install @emotion/react
npm install @emotion/styled
npm install firebase
npm install react-redux
npm install @reduxjs/toolkit
npm install react-avatar npm install moment

server

npm init -y;
npm install express --save;
npm install nodemon --save;
npm install path --save;
npm install mongoose --save;
npm install multer --save;
npm install [email protected] --save;
npm install [email protected] --save;

문제 해결

• client 폴더에 화살표 생길 때 : .git 폴더를 지운다.
  rm -rf .git
git rm --cached . -rf# simple300