cockpit_ynh/conf/nginx.conf

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

location __PATH__/ {
  proxy_pass        http://127.0.0.1:9090;
  proxy_http_version 1.1;
  proxy_buffering off;
  proxy_set_header X-Real-IP  $remote_addr;
  proxy_set_header Host $host;
  proxy_set_header X-Forwarded-For $remote_addr;
  # needed for websocket
  proxy_set_header Upgrade $http_upgrade;
  proxy_set_header Connection "upgrade";
  # change scheme of "Origin" to http
  proxy_set_header Origin http://$host;

  # Pass ETag header from cockpit to clients.
  # See: https://github.com/cockpit-project/cockpit/issues/5239
  gzip off;
}

 # Include SSOWAT user panel.
  include conf.d/yunohost_panel.conf.inc;