Winston quickstart

Demonstrates how to set up Winston in a Node.js application.

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For detailed documentation that includes this code sample, see the following:

Code sample

Node.js

To learn how to install and use the client library for Logging, see Logging client libraries.

To authenticate to Logging, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

const winston = require('winston');

// Imports the Google Cloud client library for Winston
const {LoggingWinston} = require('@google-cloud/logging-winston');

const loggingWinston = new LoggingWinston();

// Create a Winston logger that streams to Cloud Logging
// Logs will be written to: "projects/YOUR_PROJECT_ID/logs/winston_log"
const logger = winston.createLogger({
  level: 'info',
  transports: [
    new winston.transports.Console(),
    // Add Cloud Logging
    loggingWinston,
  ],
});

// Writes some log entries
logger.error('warp nacelles offline');
logger.info('shields at 99%');

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