This post explains how to set up the Debian operating system-powered virtual server where node.js and the NGINX web server will be installed.
What is Node.js and NGINX?
A JavaScript framework called Node.js is capable of serving responsive and dynamic content. Like HTML or CSS, JavaScript is often a built-in browser language. Additionally, Node.js is a JavaScript server-side platform similar to PHP. Node.js frequently integrates with other well-liked server programs like NGINX or Apache. In this article, we’ll look at setting up NGINX to handle requests from the outside world and Node.js to handle requests from the inside.
Initial requirements
The majority of the commands in this manual call for superuser rights. Install the sudo command, enable superuser mode, and add your user to the sudo group if you encounter the following bash error while using the sudo command: sudo: command not found:
su -
apt-get install sudo -y
usermod -aG sudo yourusername
Update local repositories and packages:
sudo apt-get update && sudo apt-get upgrade
Installing and configuring NGINX
Install NGINX as well as the screen module, which will be used later:
apt-get install nginx screen
Start nginx:
service nginx start
Use the cd command to change to the following directory:
cd /etc/nginx/sites-available/
Create a new file, replacing example.com with your domain name or IP address:
touch example.com
Paste the following lines into the generated file, replacing example.com with your domain name or IP address:
#Names a server and declares the listening port
server {
listen 80;
server_name example.com www.example.com;
#Configures the publicly served root directory
#Configures the index file to be served
root /var/www/example.com;
index index.html index.htm;
#These lines create a bypass for certain pathnames
#www.example.com/test.js is now routed to port 3000
#instead of port 80
location /test.js {
proxy_pass http://example.com:3000;
proxy_set_header Host $host;
}
}
Save changes and change directory:cd /etc/nginx/sites-enabled/
Create a symbolic link to the created file:ln -s /etc/nginx/sites-available/example.com
Remove the default symbolic link:rm default
Restart NGINX to apply the new configuration:service nginx reload
Creating directories and HTML files
Create the following directory hierarchy, replacing example.com:mkdir -p /var/www/example.com
Change to the created directory:cd /var/www/example.com
Create an index file:touch index.html
Insert the following lines:
If you have not finished the guide, the button below will not work.
The button links to test.js. The test.js request is passed through NGINX and then handled by the Node.js server.
Installing Node.js
At this point, NGINX is listening on port 80 and serving the content. It is also configured to forward requests to the /test.js application on port 3000.
Install the Node Version Manager:wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
Close and reopen your terminal.
Install Node.js with the following command:nvm install 0.10
Create the following file:touch /var/www/example.com/server.js
Paste the following content into it://nodejs.org/api for API docs
//Node.js web server
var http = require("http"), //Import Node.js modules
url = require("url"),
path = require("path"),
fs = require("fs");
http.createServer(function(request, response) { //Create server
var name = url.parse(request.url).pathname; //Parse URL
var filename = path.join(process.cwd(), name); //Create filename
fs.readFile(filename, "binary", function(err, file) { //Read file
if(err) { //Tracking Errors
response.writeHead(500, {"Content-Type": "text/plain"});
response.write(err + "n");
response.end();
return;
}
response.writeHead(200); //Header request response
response.write(file, "binary"); //Sends body response
response.end(); //Signals to server that
}); //header and body sent
}).listen(3000); //Listening port
console.log("Server is listening on port 3000.") //Terminal output
Start a new screen session:screen
Next, press Enter and start the Node.js server:node server.js
Press the key combination Ctrl+A, then D .
Create a test application
Create a file with test data:touch /var/www/example.com/test.js
And paste the following data into it:
Your Node.JS server is working.
The below button is technically dynamic. You are now using Javascript on both the client-side and the server-side.
Open port 80 for http connection:iptables -A INPUT -p tcp --dport 80 -j ACCEPT
Navigate in your browser to your domain or ip address. The next page will be displayed. Click the Go to the test.js button :
If everything is configured correctly, using the Display the date and time button on a new page, you can display the current time and date:
Node.js and NGINX now work together.
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