server{
listen 80;
server_name ixf.io;
rewrite ^ https://$http_host$request_uri? permanent; # force redirect http to https
}
server {
listen 443 ssl;
server_name ixf.io;
ssl on;
ssl_certificate /etc/letsencrypt/live/ixf.io/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/ixf.io/privkey.pem;
...
}