Winston Has Free Production Logging for Node.js — Here's the Complete Setup Guide

Winston remains the most flexible Node.js logger. Here is how to set it up properly for production. Quick Start bun add winston import winston from " winston " ; const logger = winston . createLogger ({ level : " info " , format : winston . format . combine ( winston . format . timestamp (), winston . format . json () ), transports : [ new winston . transports . File ({ filename : " error.log " , level : " error " }), new winston . transports . File ({ filename : " combined.log " }), ], }); if ( process . env . NODE_ENV !== " production " ) { logger . add ( new winston . transports . Console ({ format : winston . format . combine ( winston . format . colorize (), winston . format . simple () ), })); } logger . info ( " Application started " , { port : 3000 }); logger . error ( " Database connection failed " , { host : " db.example.com " , code : " ECONNREFUSED " }); Custom Formats const customFormat = winston . format . combine ( winston . format . timestamp ({ format : " YYYY-MM-DD HH