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I am going to show you example of run node app on https. i explained simply step by step run node js server on https. I’m going to show you about node js https self-signed certificate. We will look at example of node js https express.

we almost run node js project using http as like bellow simple example:

const http = require('http');
  
const app = http.createServer(function (req, res) {
	res.writeHead(200);
	res.write('web-microphone-websocket');
	res.end();
});
  
app.listen(3000, 'localhost', () => {
	console.log('Socket server listening on: 3000');
});

but if you need to run this example with https link in localhost, then how you can do this. few days ago i had same issue and i must need to run node server with https because of socket io. so i found out solution how to resolve it.

let's see bellow solution:

Solution:

Generate a self-signed certificate

openssl genrsa -out key.pem
openssl req -new -key key.pem -out csr.pem
openssl x509 -req -days 9999 -in csr.pem -signkey key.pem -out cert.pem
rm csr.pem

Update server.js File:

const https = require('https');
const fs = require('fs');
  
const options = {
  key: fs.readFileSync('key.pem'),
  cert: fs.readFileSync('cert.pem')
};
  
const app = https.createServer(options, function (req, res) {
	res.writeHead(200);
	res.write('web-microphone-websocket');
	res.end();
});
  
app.listen(3000, 'localhost', () => {
	console.log('Socket server listening on: 3000');
});

now you can run node file with following command:

node server.js

it will works with https:

https://localhost:3000

i hope it can help you...