I recorded a short walkthrough of putting Nginx in front of an app and getting a free Let's Encrypt certificate onto it. Everything in the video runs on a real Ubuntu server, nothing is staged. Below are the exact commands used, so you can copy them instead of pausing the video. What you need A Linux server. I used Ubuntu 24.04 , which ships Nginx 1.24 . A domain or subdomain whose A record points at the server . If it's on Cloudflare, keep the record DNS onl...