yarn run v1.22.19 $ node ./bin/www GET / 304 454.863 ms - - GET /stylesheets/style.css 304 4.045 ms - - GET /javascripts/main.js 304 1.168 ms - - info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command. yarn run v1.22.19 $ node main.js Starting PM2.5 Sensor Server Connecting to DB... Connected! yarn run v1.22.19 $ node main.js Starting PM2.5 Sensor Server Connecting to DB... Connected!