Go Observability with OpenTelemetry Overview Modern Go applications require comprehensive observability through the three pillars: traces, metrics, and logs. OpenTelemetry provides vendor-neutral instrumentation for distributed tracing, Prometheus offers powerful metrics collection, and Go's slog package (1.21+) delivers structured logging with minimal overhead. Key Features: - 🔍 OpenTelemetry : Distributed tracing with context propagation - 📊 Prometheus : Metrics collection with /metrics endpoint - 📝 Structured Logging : slog with JSON formatting and correlation IDs - 🎯 Auto-Instrumentat…