• webapp Web浏览器前端，采用angualr 2和nodejs
• services 服务后端，采用python

git remote add asyncetcd https://github.com/lcgong/asyncetcd.git

git subtree add --prefix asyncetcd asyncetcd master --squash

在angular/cli无法正常检测到文件变化时，尝试提高限制

echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p