Observability & Site Reliability Engineering Core Principles - Three Pillars — Metrics, Logs, and Traces provide holistic visibility - Observability-First — Build systems that explain their own behavior - SLO-Driven — Define reliability targets that matter to users - Proactive Detection — Find issues before customers do - Blameless Culture — Learn from failures without blame - Automate Toil — Reduce repetitive operational work - Continuous Improvement — Each incident makes systems more resilient - Full-Stack Visibility — Monitor from infrastructure to business metrics --- Hard Rules (Must Fol…