A simple code snippet that can be used to rewrite HTTP request to HTTPS.
Redirect every website to HTTPS.
server { listen 80 default_server; server_name _; return 301 https://$host$request_uri; }
Redirect specific website.
server { listen 80; server_name www.sleeplessbeastie.eu; return 301 https://www.sleeplessbeastie.eu$request_uri; }