How to enable HTTP/2.0 in Node.Js?

node-http2 is a node module that provides client and server implementations of the HTTP/2 protocol for nodejs applications. This node API is very similar to the node HTTPS module which extends support for HTTP/2.

Installing Node.Js

You can skip this step if node.js is already installed on your system. If node.js is not available on your system, use the following command to install it.

$ sudo apt-get install python-software-properties python g++ make
$ curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash -
$ sudo apt-get update
$ sudo apt-get install nodejs

Of course, you can also upgrade node.js through NPM.

Install the Node-HTTP2 module

The node-http2 module is available under the default npm library. So just execute the following command to install it for your application.

$ npm install http2

Create node server

Let’s create a sample node server that supports HTTP/2. Start by creating a custom SSL certificate or obtain a valid SSL from an authorized SSL provider.

$ openssl req -x509 -nodes -newkey rsa:2048 -keyout example.com.key -out example.com.crt

Now create the http2-server.js file with the following content.

var fs = require('fs');
var options = {
  key: fs.readFileSync('./example.com.key'),
  cert: fs.readFileSync('./example.com.crt')
};
 
require('http2').createServer(options, function(request, response) {
  response.end('Welcome HTTP/2.0');
  console.log("Server listening on: http://localhost:8000");
}).listen(8000);

Start the node server

Let us start the node.js server using the following command. It will start the web server on the system's port 8000.

$ node http2-server.js

and access localhost on port 8000.

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