安装插件
apt-get install certbot python3-certbot-dns-cloudflare
编辑配置
编辑 ~/.secrets/certbot/cloudflare.ini
dns_cloudflare_api_token = 0123456789abcdef0123456789abcdef01234567
获取证书
certbot certonly \
--dns-cloudflare \
--dns-cloudflare-credentials ~/.secrets/certbot/cloudflare.ini \
--dns-cloudflare-propagation-seconds 20 \
-d example.com
自动更新
systemctl enable certbot.timer
systemctl start certbot.timer