How to Install SSL Certificate on Node.js

A Quick SSL Certificate Installation Process for Node.js

Node.js is a free opensource server environment that runs on various operating systems such as Windows, Linux, Unix, Mac, OS X, etc. Node.js is using Java scripts for function on the server.

Now let’s go straight to the reason you’re here: Installing an SSL certificate on Node.js. The process of installing an SSL certificate on Node.js is pretty straightforward. This process can be divided into three steps.

Perform following steps to install your SSL certificate fast on a node.js.

Step 1: Download SSL Certificate Files

Start with the process only if you have purchased an SSL certificate and completed the entire order process. If you haven’t, you must buy one. And if you’re looking to save your hard-earned money, we have THE cheapest SSL certificates on the planet. And no, this is not a marketing gimmick, click here to see it through your eyes.

Once you complete the order process and CA verifies your documents, they send the SSL Certificate files via email that includes SSL Certificate along with Intermediate and Root Certificate and CA bundle Files.

If the CA Bundle files are missing, you can download it from the Certificate Authority’s official website.

Step 2: Create https_server.js file & upload SSL files to Server directory

To create the https_server.js file, use the following values. Note that, you can give any name to the Server.js file.

#vim https_server.js

var https = require('https');

var fs = require('fs');

var https_options = {

  key: fs.readFileSync("/path/to/private.key"),

  cert: fs.readFileSync("/path/to/your_domain_name.crt"),

  ca: [

          fs.readFileSync('path/to/CA_root.crt'),

          fs.readFileSync('path/to/ca_bundle_certificate.crt')

       ]
};

https.createServer(options, function (req, res) {

 res.writeHead(200);

 res.end("Welcome to Node.js HTTPS Servern");

}).listen(8443)

Here:

path/to/private.key – the full path of the private key file.

path/to/your_domain_name.crt – the full path of the SSL Certificate file

path/to/CA_root.crt’ – the full path of the CA root certificate file.

path/to/ca_bundle_certificate – the full path of the CA bundle file

Step 3: Start Node.js

Apply the following command line to start the Node.js application that you have created above.

# node https_server.js

SSL Certificate is now active on Node.js

Check the SSL Certificate installation using the SSL Checker Tool.

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