This demo uses slim prplOS based prpl-webui-testing-container-x86-64 container which serves only upcoming prplOS reference prpl-webui
web UI and otherwise it's using TR181 REST API from the host.
Requests to TR-181 REST API /serviceElements
endpoint are being proxied to host TR-181 REST API endpoint on http://192.168.1.1:8080 backend server and can be changed in /etc/lighttpd/conf.d/50-prplos-auth.conf
file if needed be:
$HTTP["url"] =~ "^/serviceElements" {