You need to change the nginx config (for the website you will be hosting your services at. /etc/nginx/sites-available

Watch a video on how nginx works and how to set it up, and then look for example nginx configs for your services. I think nginx can be setup to work locally only, but do you even need it for that? It’s primary use is to proxy http requests to the different websites running on your server, enable https via letsencryt and so on, I think.