Automatic HTTPS connection/redirect with node.js/express

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I’ve been trying to get HTTPS set up with a node.js project I’m working on. I’ve essentially followed the node.js documentation for this example:

// curl -k https://localhost:8000/
var https = require('https');
var fs = require('fs');

var options = {
  key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'),
  cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem')
};

https.createServer(options, function (req, res) {
  res.writeHead(200);
  res.end("hello world\n");
}).listen(8000);

Now, when I do 

curl -k https://localhost:8000/

I get 

hello world

as expected. But if I do 

curl -k http://localhost:8000/

I get 

curl: (52) Empty reply from server

In retrospect this seems obvious that it would work this way, but at the same time, people who eventually visit my project aren’t going to type in https://yadayada, and I want all traffic to be https from the moment they hit the site.

How can I get node (and Express as that is the framework I’m using) to hand off all incoming traffic to https, regardless of whether or not it was specified? I haven’t been able to find any documentation that has addressed this. Or is it just assumed that in a production environment, node has something that sits in front of it (e.g. nginx) that handles this kind of redirection?

This is my first foray into web development, so please forgive my ignorance if this is something obvious.

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