Copied from #7991:

If you look at https://certbot.eff.org/docs/api/certbot.compat.filesystem.html, you'll notice many formatting errors which should be fixed.

That's the bare minimum which I think should be done, but I think we should also see what we can do to avoid these problems from happening in the future. Is there a way we could build the docs in CI and check for these problems?

Thanks for this amazing tool!

The issue is as following:
If there are two virtual hosts (Server blocks) serving two host names or subdomains:

sd1.domain.com
sd2.domain.com

When the configuration is generated using the nginxconfig and if HTTP to HTTPS redirect is enabled following server block gets generated for each host:

--- For virtual host 1
# HTTP redirect
server {
  

Is your feature request related to a problem? Please describe.
At cert-manager 1.0, there is ServiceMonitor to scrape certs metrics, but there is no alert(s) on certs renew failures to cluster operator.

Describe the solution you'd like
PrometheusRule object with alerting rules about expiring certs. Plus, ability to extend/override default rules via helm values.

/kind feature