location / {
  
  # Force usage of https
  if ($scheme = http) {
    rewrite ^ https://$server_name$request_uri? permanent;
  }

  proxy_pass http://127.0.0.1:__PORT__/;
  proxy_http_version 1.1;
  proxy_set_header Connection "upgrade";
  proxy_set_header Upgrade $http_upgrade;
  proxy_set_header X-Forwarded-For $remote_addr;
  proxy_set_header Host $host;

}