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