Port 443 of computer does not appear to be accessible

[Benjamin_D (Benjamin Decotte)]

You don’t have to with a standard install.

Set up HTTPS support with Let's Encrypt

This guide is only for existing installs where HTTPS is not enabled. Following the official setup guide automatically enables HTTPS by default. So you’d like to add https to your Discourse absolutely free, courtesy of our friends at Let’s Encrypt? Is everything else on your site ready for HTTPS? Before you start, please bear in mind that for HTTPS to work properly, every single resource on the page must be HTTPS compatible. Consider your CDN, your social logins, your…

[Stephen]

If you have followed the standard install there’s a copy of nginx inside the container.

You don’t need to install a web server outside the container for anything related to Discourse.