npm i express --save
npm i morgan --save-dev //Lib print log
5 mode of morgan // app.use(morgan("common")); // app.use(morgan("short")); // app.use(morgan("tiny")); // app.use(morgan("combined"));
npm i helmet --save //secure by hidden tech stack npm i compression // reduce data weight
npm i mongoose --save npm i bcrypt --save npm i crypto --save npm i jsonwebtoken --save npm i lodash --save