It is just a test project of SystemDesign. reference book: https://github.com/G33kzD3n/Catalogue/blob/master/System%20Design%20Interview%20An%20Insider%E2%80%99s%20Guide%20by%20Alex%20Xu%20(z-lib.org).pdf
youtube reference url: https://www.youtube.com/@ByteByteGo
中文referece https://github.com/donnemartin/system-design-primer/blob/master/README-zh-Hans.md https://soulmachine.gitbooks.io/system-design/content/cn/ https://blog.csdn.net/weixin_43178103/article/details/130240495
秒杀API课程 http://www.imooc.com/learn/632