Webtop - Can i share something inside the webtop through internet?

I have a webtop installed. The machine were is installed is in the ip
i can share that with internet and access to webtop. good.

But, i can share something inside webtop to internet (im talking about other service)?

How i can acomplish that? if it possible.

Yeah just forward the port like you did with 3000 -p 3000:3000 gotta delete and recreate to do new ports though so gonna lose your customizations if outside of /config