Any example snippets of what the connection setup looks like on the server side? e.g. something like a docker-compose sidecar exposing an nginx container to us

Any example snippets of what the connection setup looks like on the server side? e.g. something like a docker-compose sidecar exposing an nginx container to users via boundary would really help me understand how this is supposed to be used in practice. Looking for an example like my comparison here between argo, wireguard, tailscale, letsencrypt, caddy, and ssh ingress: https://gist.github.com/pirate/1996d3ed6c5872b1b7afded250772f7c https://gist.github.com/pirate/1996d3ed6c5872b1b7afded250772...