logging.js

var config = require('../../config');
var bunyan = require('bunyan');
var logger = bunyan.createLogger({
    name: 'CCL',
    stream: process.stdout,
    level: config.get('LOG_LEVEL')
});

module.exports = {
    get: function(module, opts) {
        opts = opts || {};
        opts.module = module;
        return logger.child(opts);
    }
}

other.js

var logger = require('./logging').get(__filename);

logger.debug('I\'m totally logging right now!');