Node Logging Best Practices

A guide to implementing structured, production-grade logging in Node.js applications for effective debugging and monitoring.

Usage

Ask about logging setup, structured logs, correlation IDs, or log aggregation.

Examples

• "Set up Pino with request correlation IDs"
• "How do I configure log levels per environment?"
• "Implement request logging middleware"

Guidelines

• Use structured JSON logging for machine-parseable output
• Include correlation IDs for tracing requests across services
• Use appropriate log levels for different situations
• Never log sensitive data like passwords or tokens
• Use async logging to minimize performance impact