Question

Is it possible to open two external ports on one app?

I created a nodejs web service which should be listening via socket from outside on one TCP port (let’s say 5000) which also serves via another websocket (port 3000) and updates a frontend.

I’ve seen the app spec documentation but I can only open up 1 port from outside with http_port.

Is it possible to open two external ports?

Thank you in advance and best regards


Submit an answer
Answer a question...

This textbox defaults to using Markdown to format your answer.

You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link!

Sign In or Sign Up to Answer

These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.

Kamal Nasser
DigitalOcean Employee
DigitalOcean Employee badge
December 4, 2020
Accepted Answer

Hi, it’s currently not possible to expose multiple external ports on a Service. If it works with your setup you could use the same websocket server and put the existing servers under separate path prefixes.

Hey @musantrobeatsdev,

I took a look at some google searches and found this one

So basically, you do the following:

var http = require('http');

http.createServer(onRequest_a).listen(9011);
http.createServer(onRequest_b).listen(9012);

function onRequest_a (req, res) {
  res.write('Response from 9011\n');
  res.end();
}

function onRequest_b (req, res) {
  res.write('Response from 9012\n');
  res.end();
}

You create two HTTP instances and write two different requests. You can then test with curl.

Let me know if that helps!

Best, Dennis

Want to learn more? Join the DigitalOcean Community!

Join our DigitalOcean community of over a million developers for free! Get help and share knowledge in Q&A, subscribe to topics of interest, and get courses and tools that will help you grow as a developer and scale your project or business.