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Hosting Node.js apps on an AWS EC2 instance

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[前端(javascript) 所属分类 前端(javascript) | 发布者 店小二03 | 时间 2016 | 作者 红领巾 ] 0人收藏点击收藏

Until very recently, Sharemark’s website was hosted on Heroku while the rest of its services were hosted on a dedicated AWS EC2 instance. Recently, we’ve made a decision to move the website―that was built using Node.js―to our dedicated server. Since our EC2 instance is a simple LAMP stack, we had to run through extra configurations to make it work.

The process of running a Node.js application on an EC2 instance is straightforward, but most of the articles I found on the web are outdated or incomplete, so I’ve decided to put together a quick step-by-step guide to hosting Node.js apps on simple EC2 instances.

Note: I won’t be covering launching EC2 instances as there are plenty of resources that can show you how to do that. However, I will point out that we’re using a community LAMP stack AMI by Bitnami.

Installing Node.js

The first step is installing Node.js on the server. Log into your EC2 instance using SSH and type the following commands to download and install the latest version of Node.js:

curl -sLhttps://deb.nodesource.com/setup_6.x | sudo -E bash - sudoapt-getinstall -y nodejs

To make sure Node.js was installed successfully, run the following command to return its current version:

node --version #> v6.6.0 Running anapp from your server

Before we move on, let’s try to run an app from the server. Create a new file called app.js , copy following code snippet, and save it.

const http = require('http'); const hostname = '127.0.0.1'; const port = 3000; const server = http.createServer((req, res) => { res.statusCode = 200; res.setHeader('Content-Type', 'text/plain'); res.end('Hello World\n'); }); server.listen(port, hostname, () => { console.log(`Serverrunningathttp://${hostname}:${port}/`); });

This code snippet is a simple ‘hello world’ example that create’s a server and send text to the browser. Now let’s try to run it:

nodeapp.js

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