ssl on;
    ssl_certificate_key /etc/letsencrypt/live/fqdn.testdomain.com/privkey.pem;
    ssl_certificate /etc/letsencrypt/live/fqdn.testdomain.com/fullchain.pem;
    ssl_trusted_certificate /etc/letsencrypt/live/fqdn.testdomain.com/fullchain.pem;