This document discusses the author's experience with the ELK stack and Kibana. The author has been using ELK since 2012 and has published content on Logstash and written chapters about ELK in their book. The document then provides an overview of Kibana, describing its core components and features like dashboards, visualizations, and search functionality. It also outlines some custom panels the author created for Kibana through custom development, including range, percentile, and map panels. Lastly, it discusses the author's solution for adding authentication to Kibana.