Health for your server

health.js

// Health page (attribution to dshaw)
var pkg = require('./package.json');
    version = pkg.version;
app.get('/health', function (req, res) {
  var health = {
    'version': pkg.version,
    'pid': process.pid,
    'memory': process.memoryUsage(),
    'uptime': process.uptime()
  };
  res.send(health);
});