Yeah, I have caddy and traefik in front of most of my home-based services, except for a few web UIs like the router's. Pangolin just receives incoming connections and routes them to the correct reverse proxy in the correct VLAN for that service.
I have VLANs to separate services that are more public facing from very private ones that only certain devices should be able to connect to directly. Basically, I have one VLAN for IoT devices that need to connect to the internet often but only certain things should access directly, one for very private things like my NAS, database server, 3D printer, etc, that rarely if ever need access to the internet, one for my personal devices (laptop, desktop, phone, tv) which are behind a pihole for ad blocking, and one guest VLAN for guests, but mostly for my work computer which really likes to snoop.