logging-best-practices

Canonical log lines are single, context-rich wide events emitted per request to improve debugging. They capture high-cardinality fields, business context, and environmental data in JSON format for end-to-end traceability and reliable analytics.

Implement structured logging across services by applying a single, centralized middleware to assemble and emit one JSON wide event per request. This ensures consistent capture of high-cardinality fields and environmental data for simplified cross-service log collection.

Middleware automatically injects environmental characteristics into every structured log event. This ensures each JSON wide event contains deployment and version metadata, allowing you to quickly locate problematic versions during debugging.

The best way to format application logs for analytics is emitting single-line JSON wide events. This structured logging approach captures request lifecycle context and high-dimensional fields, enabling fast querying and reliable end-to-end traceability.

Yes, you can use a single, configurable logger with middleware to handle all request lifecycle logs. This setup ensures each request emits exactly one structured JSON wide event, maintaining consistency and preventing fragmented logging.

Wide events provide a single, context-rich log event covering the entire request lifecycle, unlike traditional logging. They encapsulate high-cardinality and business context fields in one JSON line, enabling fast debugging and reliable analytics without fragmented log entries.