git init - git status git add git commit git log git commit -am "comments" : all fils and including comments to commit

git remote add origin [email protected]:spdumie/xxxxx.git : assign git push : will push the files to remote repo git push heroku master : push master brench files to heroku server

yarn add [email protected] : install dependency (4.0.0 version) yarn test : yarn runs jest test files yarn test -- --watch : jest test keeps updating in real time yarn run dev-server : dev-server starts in 8080 port. cyber files will be created yarn start : yarn start express.js server yarn run build:prod : build ad production files, style.css, bundle.js and mapping files will be created yarn install --production : will install only production dependencies. yarn install : will install all dependencies including devDependencies

heroku --version : show heroku version heroku login : loggin in to heroku (via web browser) heroku create xxxxx : create new app service on heroku heroku logs : dispatch logs from heroku heroku update : update heroku heroku open : open the pushed service in browser

heroku config : manage config heroku config:set (key=xxxx): set key pair in config heroku config:unset (only Key) : remove key pair in config

node server/server.js : run node.js files (express.js server here)

ssh-add ~/.ssh/id_rsa : access to GitHub by passphrase ssh -T [email protected] : authenticate on GitHub