sudo snap install core; sudo snap refresh core
sudo snap install --classic certbot
sudo ln -s /snap/bin/certbot /usr/bin/certbot
sudo certbot --nginx
sudo certbot certonly --nginx
OR
certbot certonly --noninteractive --agree-tos --cert-name SITE_TLD -d SITE_TLD -d www.SITE_TLD --register-unsafely-without-email --webroot -w /var/www/html/SITE_TLD