02 | Introduction to Express Framework Stacey Mulcahy | Technical Evangelist Rami Sayar | Technical Evangelist

What is Express Installing & Using Express Demo: Creating a simple Rest API Templating Module Overview

02 | What is Express Stacey Mulcahy | Technical Evangelist Rami Sayar | Technical Evangelist

What is Express? Express is a minimal, open source and flexible node.js web app framework designed to make developing websites, web apps and APIs much easier.

Why use Express? Express helps you respond to requests with route support so that you may write responses to specific URLs. Supports multiple templating engines to simplify generating HTML.

02 | Installing and Using Express Stacey Mulcahy | Technical Evangelist Rami Sayar | Technical Evangelist

Installing and Using Express npm install express npm install jade

02 | Creating a Simple Rest API Stacey Mulcahy | Technical Evangelist Rami Sayar | Technical Evangelist

Explanation of Routes A router maps HTTP requests to a callback. HTTP requests can be sent as GET/POST/PUT/DELETE, etc. URLs describe the location targeted. Node helps you map a HTTP GET request like: – To a request handler (callback) app.get('/index', function (req, res) {});

Creating a Simple Express Application var express = require('express'); var app = express(); app.get('/', function (req, res) { res.json({message:'hooray! welcome to our api! '}); }); app.listen(process.env.PORT || 8080);

DEMO Creating a simple Rest API with Express Framework

Why use Express?

Resources Express Framework Intro to Express net net Jade Templates JavaScript and Jade Templating templating

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