Question

Node.js app working on my local machine but not others

I’m in the process of setting up a node.js app and just got it working on my local machine, but it’s not loading on friends or family’s laptops or my phone.

I followed the instructions in https://www.digitalocean.com/community/tutorials/how-to-set-up-a-node-js-application-for-production-on-ubuntu-18-04.

I have a few suspicions about what might be causing the problem, but I’m very new to this and wanted to see if you all had any suggestions. In descending order of suspiciousness:

  • I set up LetsEncrypt. I noticed that when the app fails to load on another computer on Chrome, the URL bar is indicating that the URL isn’t secure, even though I have LetsEncrypt and the website shows up as secure on my machine. During setup, I also indicated option 2: Redirect - Make all requests redirect to secure HTTPS access
  • I’m not sure if I’m running Babel properly. I have presets set in my package.json, but not sure if I need to run it manually on the server (this feels wrong, but I don’t know of a better way)
  • I’m running node with node -r esm server.js (with ES6 code, arrow functions and the like). I’ve been testing with the newest versions of Chrome so this shouldn’t be a problem, but I’m not sure, esp. if I’m not using Babel properly
  • Set up IPv6 on my droplet

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Hi there @alexwbi95,

As the site is loading as expected at your end, it sounds like that it might be the DNS propagation in case that you’ve just recently changed your DNS records. Or it could also be your firewall block the connections from any other IP addresses but yours.

What is the exact error that you see when the site fails to load?

Regards, Bobby