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Stop 19 · Monitoring & LoggingTopics · 1/9

Logging Best Practices

Part of the Backend Developer Roadmap

In short

Writing logs that are actually useful when something goes wrong in production — structured, leveled (info/warn/error), and free of sensitive data like passwords or tokens.

How to learn this

  1. 1Audit a project's `console.log` calls and replace them with a proper logger.
  2. 2Adopt log levels (debug, info, warn, error) and use them consistently.
  3. 3Ensure logs never include passwords, tokens, or other sensitive data.

More topics at this stop

WinstonPinoCentralized LoggingHealth Check EndpointsApplication Performance MonitoringSentry for Error TrackingPrometheus & Grafana (Overview)Uptime Monitoring

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