I used to post here pretty frequently until I moved to the Professional Services side of our org and got terribly busy
I recently put together a blog post which I think might be useful to a lot of people - a walk through of building a Graylog dashboard to monitor and solve a problem with a hypothetical e-commerce product. Personally I find it very useful to see a finished product (and understand the decisions behind its design) before I go out and make my own!
The piece does cover high level subjects such as monitoring philosophy, and functional VS vanity metrics, but more importantly it drills right down into the specifics of pipelines and log parsing, with some useful content that might be worth a copy-paste into your own lab.
You can read it here: