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this post was submitted on 12 Jul 2023
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The way I have my monitoring set up is to poll the containers from behind the proxy layer. Ex. if I'm trying to poll Portainer for example:
with the service name
portainerfrom uptime-kuma within the same docker network it would look like this:
Can confirm this is working correctly to monitor that the service is reachable. This doesn't however ensure that you can reach it from your computer, because that depends on if your reverse proxy is configured correctly and isn't down, but that's what I wanted in my case.
Edit: If you're wanting to poll the http endpoint you would add it before like
http://whatever_service:whatever_portThanks. In this case I'm trying to monitor Caddy itself (sites that are just html files that it hosts rather than redirect to other containers). I could point the monitor at caddy:443 but then I'd need to find someway to specify the HOST: for the virtualhosting to work?
Oh I see, I definitely misunderstood what you were asking. How is your caddy server set up? Is it serving one site per subdomain (site.your.domain) or is it one site per path (your.domain/site/)? I am running traefik so I probably won't be able to help with specifics, but it's worth a shot.
Caddy is server subdomains and standalone domains, doesn't seem to make a difference which is which .. neither work. For the moment I'm monitoring them from another server but that's annoying ... which I could figure out what I'm doing wrong!