Server & Node - 공식문서들 모음

공식문서
Node.js :
https://nodejs.org/ko/docs/guides/

socket.io:
https://www.npmjs.com/package/socket.io

express:
https://expressjs.com/ko/

RESTAPI:
https://restfulapi.net/

fs.readFile:
https://nodejs.org/dist/latest-v14.x/docs/api/fs.html#fs_fs_readfile_path_options_callback