slog Beyond Basics: Group, ReplaceAttr, and Custom Handlers

📰 Dev.to · Gabriel Anhaia

Learn advanced slog techniques for logging, including grouping, PII redaction, and custom handlers for routing and tracing

intermediate Published 7 May 2026
Action Steps
  1. Use Group to create nested logs for better organization
  2. Apply ReplaceAttr to redact personally identifiable information (PII)
  3. Create a custom Handler for routing logs and integrating with OTel trace IDs
  4. Configure custom handlers for specific logging scenarios
  5. Test and validate the custom logging setup
Who Needs to Know This

Developers and DevOps teams can benefit from this article to improve their logging and monitoring capabilities

Key Insight

💡 Custom handlers can be used to route logs and integrate with OTel trace IDs for improved monitoring and debugging

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🚀 Take your logging to the next level with slog! Learn about Group, ReplaceAttr, and custom handlers 📝

Key Takeaways

Learn advanced slog techniques for logging, including grouping, PII redaction, and custom handlers for routing and tracing

Full Article

slog past the basics: Group for nested logs, ReplaceAttr for PII redaction, custom Handler for routing + OTel trace IDs.
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