sample_node_app.js

var express = require('express')
var app = express();

var librato = require('librato-node')

var sleep = require('sleep')

librato.configure({
  email: 'me@example.com',
  token: 'abc1234',
  source: 'my.server.1'
})

//app.use(librato.middleware())

app.use(librato.middleware({
  requestCountKey: 'node.request.count',
  responseTimeKey: 'node.response.time'
}))

librato.start()

process.once('exit', function() {
     return librato.stop();
});

app.set('port', (process.env.PORT || 5000))
app.use(express.static(__dirname + '/public'))


app.get('/', function(request, response) {
  response.send('Hello World!')
})

app.get('/instrument', function(request, response) {
  // Increment a counter
  librato.increment('node.counter.test')

  response.send('this is a count...')
})

app.get('/timing', function(request, response) {
  // Time an action
  var startTime = new Date
  sleep.sleep(1)  // do work
  var latency = new Date - startTime

  librato.timing('node.timing.test', latency)
  
  response.send('this is a timer...')
})

app.listen(app.get('port'), function() {
  console.log("Node app is running at localhost:" + app.get('port'))
})