express-bootstrap-app Express with Pug and Bootstrap sample Environment OS Debian Buster — amd64 [v4.19.0-8] Runtime environment Node [v13.8.0] Node package manager Yarn Classic [v1.21.1] Render engine Pug [v2.0.4] Front-end framework Bootstrap [v4.4.1] Run it DEBUG=express-bootstrap-app:* yarn dev