Bunyan quickstart

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

Documentation pages that include this code sample

To view the code sample used in context, see the following documentation:

Code sample


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

const bunyan = require('bunyan');

// Imports the Google Cloud client library for Bunyan
const {LoggingBunyan} = require('@google-cloud/logging-bunyan');

// Creates a Bunyan Cloud Logging client
const loggingBunyan = new LoggingBunyan();

// Create a Bunyan logger that streams to Cloud Logging
// Logs will be written to: "projects/YOUR_PROJECT_ID/logs/bunyan_log"
const logger = bunyan.createLogger({
  // The JSON payload of the log as it appears in Cloud Logging
  // will contain "name": "my-service"
  name: 'my-service',
  streams: [
    // Log to the console at 'info' and above
    {stream: process.stdout, level: 'info'},
    // And log to Cloud Logging, logging at 'info' and above

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

What's next

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