const log4js = require('../lib/log4js'); log4js.configure({ appenders: { console: { type: 'console', }, logstash: { url: 'http://172.17.0.5:9200/_bulk', type: '@log4js-node/logstash-http', logType: 'application', logChannel: 'node', application: 'logstash-log4js', layout: { type: 'pattern', pattern: '%m', }, }, }, categories: { default: { appenders: ['console', 'logstash'], level: 'info' }, }, }); const logger = log4js.getLogger('myLogger'); logger.info('Test log message %s', 'arg1', 'arg2');