How to setup Winston logger by JSON config / Node.js

In other words - how to setup multiple Winston logger by nconf.

Libs

• Winston
• nconf

	/**
	* Setup multiple winston logger:
	* https://github.com/flatiron/winston#working-with-multiple-loggers-in-winston
	*
	* by nconf:
	* https://github.com/flatiron/nconf
	*/
	var winston = require('winston'),
	nconf = require('nconf');
	var config = nconf.argv()
	.env()
	.file({ file: 'scripts/config/local_settings.json' })
	.file({ file: 'scripts/config/global_settings.json' });
	var loggerConfig = config.get('logger');
	Object.keys(loggerConfig).forEach(function(key) {
	winston.loggers.add(key, loggerConfig[key]);
	});
	/**
	* global_settings.json
	*/
	{
	"logger": {
	"db": {
	"console": {
	"level": "info",
	"colorize": true,
	"label": "db"
	}
	},
	"express": {
	"console": {
	"level": "info",
	"colorize": true,
	"label": "express"
	}
	},
	"passport": {
	"console": {
	"level": "info",
	"colorize": "true",
	"label": "passport"
	}
	}
	}
	}
	/**
	* usage
	*/
	var logger = require('winston').loggers.get('express');
	logger.info('hello world!');

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