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A comprehensive guide to using Pino, a high-performance JSON logging library for Node.js. Covers installation, basic setup, log level configuration (including dynamic runtime changes), custom serializers for redacting sensitive data, HTTP request logging via pino-http middleware, child loggers, asynchronous logging with transports, and pretty-printing for development. Also includes a comparison of Pino vs generic loggers, best practices, and a section on forwarding logs to the SigNoz observability platform via OpenTelemetry.

Pino Logger - Complete Guide to Logging in NodeJS with Pino

William Miller Jr

Pino is one of the most popular logging tools for Node.js applications.

    Many developers rely on console.log() while debugging, but that approach quickly becomes messy and inefficient in real applications.

<p>Pino is one of the most popular logging tools for Node.js applications.

    Many developers rely on console.log() while debugging, but that approach quickly becomes messy and inefficient in real applications.</p>