How to run Node.js on the Apache server

Run Node.js on the Apache server

If you have a website that runs on apache but also want node.js to server several urls on your website, then in this tutorial we will discuss a little how to use a reverse proxy technique to make apache be able to run node.js applications on the same server.

Concept
Because we cannot run node.js and apache to use the same port, we need to configure apache to act like a reverse proxy and forward requests to the node.js application for certain urls.

How to run Node.js on the Apache server

Example
if you already have an Apache server running on localhost and want to run the Node.js application on localhost / node, then the flow will look like this.

First, let’s start the application node to monitor port 3000.

const express = require(‘express’)
const app = express()

app.get(‘/’, (req, res) => res.send(‘Hello World! from Node.js’))
app.listen(3000, () => console.log(‘Example app listening on port 3000!’))

This is an example of a simple application for serving http requests using Express and returning simple text that you can certainly see in the browser if you access localhost: 3000.

How to run Node.js on the Apache serverNext we will make Apache re-route the request using directions from proxypass.

Open the httpd.conf file and add the line below:

ProxyPass /node http://localhost:3000/

You can replace / node into whatever url you want to service your node application.

Then,
make sure you have activated the mod_proxy and mod_proxy_http modules by uncommenting them.

LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_http_module modules/mod_proxy_http.so

Save the file, please restart your Apache server.

Now when you access localhost, this page runs on the Apache server.

Now try accessing localhost/node and see the results.

How to run Node.js on the Apache serverNote
That this approach is suitable for certain roles with a limited number of users. If you want to have performance scalability, you have to run Apache and node.js separately and use something else like nginx to do the opposite.

Hopefully it gives you inspiration to apply to your work, and don’t hesitate to leave a comment in the column that we have provided below.

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