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-Instrumentation: HTTP/gRPC middleware patterns
• 💚 Health Checks: Kubernetes-ready readiness/liveness probes
• 🔄 Graceful Shutdown: Clean exporter shutdown and signal handling

When to Use This Skill