nodejs 中间件
发邮件: https://nodemailer.com/about/
权限验证 https://www.npmjs.com/package/koa-passport
session :https://www.npmjs.com/package/koa-session
权限验证 :https://github.com/auth0/node-jsonwebtoken
日志: https://www.npmjs.com/package/log4js
HTTP日志记录: https://www.npmjs.com/package/koa-morgan
图片验证码https://github.com/lemonce/svg-captcha/blob/master/README_CN.md
数据库 :
knex 官方英文文档:https://knexjs.org
中文文档: https://www.songxingguo.com/2018/06/30/knex.js-query/
nodejs 自动更新/后台运行
nodemon :https://github.com/remy/nodemon
supervisor : https://github.com/petruisfan/node-supervisor/
pm2 : https://github.com/Unitech/pm2