Nginx: HTTPS proxy pass to HTTP @ localhost

server {
  listen *:443;
  server_name iix.se;

  ssl on;
  ssl_certificate      /etc/letsencrypt/live/iix.se/fullchain.pem;
  ssl_certificate_key  /etc/letsencrypt/live/iix.se/privkey.pem;
  ssl_session_cache    builtin:1000  shared:SSL:10m;
  ssl_protocols        TLSv1 TLSv1.1 TLSv1.2;
  ssl_ciphers          HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
  ssl_prefer_server_ciphers on;

  location / {
    proxy_set_header        Host $host;
    proxy_set_header        X-Real-IP $remote_addr;
    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header        X-Forwarded-Proto $scheme;

    proxy_pass          http://127.0.0.1;
    proxy_read_timeout  90;
  }
}