The purpose of this presentation is to present the Elastic Stack, define what is observability, and show how Elastic Stack can be used to have an observable application. First I present the Elastic Stack and then I go into Logs, Metrics, and APM on the topic of observability. Topics include: What is Elastic? Elastic Stack overview What is observability? Logs / Metrics / APM Demo Takeaway: You will understand what the Elastic Stack is, what observability is, definition of logs, metrics, and apm and how to use the Stack to have an observable application.