nodered_ynh/conf/nginx.conf

location ^~ __PATH__/ {

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

    rewrite ^__PATH__/admin$ https://$host__PATH__/admin/ permanent;

    proxy_pass http://localhost:__PORT__/;
    proxy_set_header Host $host;
    proxy_redirect http:// https://;
    proxy_http_version 1.1;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "Upgrade";

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