I have containers that are sitting behind an Nginx reverse proxy. In order to monitor them via Uptime Kuma on a different physical host, should I:

a) Point Uptime Kuma at the FQDN of the container that goes through NPM?

Or:

b) Point Uptime Kuma at the [internal IP]:[port] of the container?

My concern with option A is I’m not really sure if it’s heartbeating off the target container, or simply the NPM. Meaning, the container could be down but NPM is up therefore Uptime Kuma thinks the container is up.