Papertrail with Zetta

server.js

var zetta = require('zetta');
var winston = require('winston');
var Papertrail = require('winston-papertrail').Papertrail;

winston.add(Papertrail, { hostname: 'hub-hostname',
                          host: process.env.PAPERTRAIL_HOST,
                          port: process.env.PAPERTRAIL_PORT });

zetta()
  .logger(function(log) {
    log.on('message', function(level, event, msg, data) {
      winston.log(level, msg);
    });
  })
  .listen(process.env.PORT || 0)