This tutorial guides you through installing and using Certbot from behind a Cloudflare reverse proxy .
Table of Contents
PREREQUISITES
You need a domain
You need to configure DNS for your domains
You need a cloud server
Quick Start
Install Certbot on ubuntu
stop nginx service
generate your certificates
OBTAINING A CERTIFICATE in nginx
Detail steps
Step 1.Configure DNS for your domains
step 2.stop nginx
step 3.generate your certificates
Certbot （standalone）
sudo certbot certonly
https://www.techaddressed.com/tutorials/certbot-cloudflare-reverse-proxy/