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Boot.dev

Learn Logging and Observability in Go

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Overview

Stuck in Tutorial Hell? Learn Backend Dev the Right Way
Boot.dev teaches Python, SQL & Go through projects you won't want to stop. 25% off with code CLASSCENTRAL.
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Learn observability in Go by adding structured logs, metrics, traces, dashboards, and alerts to production-style web services.

Syllabus

  • Observability
    • Understand observability fundamentals and the pillars of logs, metrics, and traces so you can debug Go services with confidence.
  • Logging
    • Implement reliable logging in Go using proper logger setup, dependency injection, buffering, and lifecycle management.
  • Structured Logging
    • Use Go's slog package to produce structured logs with levels, key-value fields, and output formats that scale in production.
  • Log Strategies
    • Apply logging best practices that reduce noise, preserve signal, and make production incidents easier to investigate.
  • Logging Errors
    • Capture error logs effectively with stack traces, grouped context, and rich attributes while avoiding duplicate or misleading logs.
  • Logging Context
    • Attach request, user, build, and instance context to logs so every event is searchable, correlated, and actionable.
  • Log Storage
    • Route logs to console, files, and syslog with rotation strategies that keep long-running services observable and maintainable.
  • Log Security
    • Protect sensitive data in logs using filtering, obfuscation, encryption, and safer error-response logging patterns.
  • Metrics
    • Instrument Go services with Prometheus and Grafana, collect system and app metrics, and build dashboards that reveal health trends.
  • Alerting
    • Design actionable alerts with sensible thresholds to catch real issues early without creating alert fatigue.
  • Profiling
    • Use pprof to analyze CPU, memory, and goroutine behavior in Go applications and fix performance bottlenecks.
  • Tracing
    • Instrument distributed tracing with OpenTelemetry and Jaeger to follow requests across services and diagnose latency issues.

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4.5 rating at Boot.dev based on 55 ratings

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