> I'd have preferred more technical details.

There isn't much technical details to it. Caddy exposes profiles by default[0] and prometheus metrics are available as opt-in. We set up grafana-agent to collect profiles and metrics from Caddy, poked at the Grafana Cloud portal, studied the available data, and checked the charts for anomalies. Grafana Cloud made it easy for us to get started with that without having to build more infrastructure for them, which will also require extra energy that can be better spent on the core of our project.

[0] https://twitter.com/MohammedSahaf/status/1760415991513637137