LetsEncrypt on Debian 13 with CloudFlare

sudo apt-get install certbot python3-certbot-dns-cloudflare

vim ~/.secrets/cloudflare.ini

# Cloudflare API token used by Certbot
dns_cloudflare_api_token = 0123456789abcdef0123456789abcdef01234567

sudo certbot certonly --dns-cloudflare --dns-cloudflare-credentials ~/.secrets/cloudflare.ini --dns-cloudflare-propagation-seconds 60 -d example.com -d *.example.com