## Command
$ npx express-generator
: 'For earlier Node versions, install the application generator as a global
npm package and then launch it':
$ npm install -g express-generator
$ express
## Display the command options with the -h option:
$ express -h

npm i express -g
express --view=pug myapp

$ npx express-generator

mkdir api-project
cd api-project
npm init
npm install express --save

express my-app --view=ejs
cd my-app
nodemon start

//Creates an Express application. The express() function is a top-level function exported by the express module.
var express = require('express')
var app = express()