Constructing proper PromQL queries for you data is hard. One tool that helps a lot to understand the data that is available and to construct queries is PromLens. If you don’t know PromLens yet, I suggest to read this blog post.
A few days ago we open-sourced the Helm Chart we use at Ricardo to deploy PromLens and we’ve made it available on Artifacthub. I hope this Chart will be as useful to you as it is to us.