Explore the fundamentals of Prometheus in this informative conference talk led by project maintainers Richard "RichiH" Hartmann and Ben "SuperQ" Kochie. Gain insight into the design, goals, and history of this powerful monitoring system. Discover key concepts including time series data, non-hierarchical data structures, and the exposition format. Learn about PromQL, the Prometheus query language, and how it ties everything together. By the end of this 30-minute session, acquire a solid understanding of Prometheus to confidently implement it in production environments.