OpenTelemetry - Quick Reference Full Reference : See advanced.md for context propagation, detailed metrics API, Collector configuration, Docker Compose stack, sampling strategies, and semantic conventions. Deep Knowledge : Use with technology: for comprehensive documentation. Concepts Node.js Setup Basic Configuration Application Entry Point Manual Traces Spring Boot Setup Environment Variables When NOT to Use This Skill - Simple application logging : Use logging frameworks instead - Monolithic applications : May be overkill - Vendor-specific APM : DataDog, New Relic have their own SDKs - Dev…