app.js

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

var SERVICE_PORT = process.env.SERVICE_PORT

var USER = process.env.CLIENT_APP_USER
var PASSWORD = process.env.CLIENT_APP_PASSWORD
var SCHEMA = process.env.CLIENT_APP_SCHEMA
var HOST = process.env.CLIENT_APP_HOST
var PORT = process.env.CLIENT_APP_PORT
var ACTUATOR_BASE_PATH = process.env.CLIENT_APP_ACTUATOR_BASE_PATH
var BEANS_URL = SCHEMA   '://'   USER   ':'   PASSWORD   '@'   HOST   ':'   PORT   ACTUATOR_BASE_PATH   '/beans'

var time = function() { return new Date().getTime() }
var timeSince = function(start) { return time() - start }

app.use('/', express.static('web-app'))

app.get('/beans', function (req, res) {
  var startTime = time()
  request(BEANS_URL, function (error, response, body) {
    if (!error && response.statusCode == 200) {
      console.log('Received beans from Spring application, took: '   timeSince(startTime)   ' ms.')
      res.send(body)
    } else {
      if (error != null){
        console.log('Error while getting Spring application beans. Errors: '   error   ', took: '   timeSince(startTime)   ' ms.')
        res.status(500).send(error)
      } else {
        console.log('Error while getting Spring application beans. Status: '
                      response.statusCode   ', body: '   response.body   ', took: '   timeSince(startTime)   ' ms.')
        res.status(response.statusCode).send(response.body)
      }
    }
  })
})

app.listen(SERVICE_PORT, function () {
  console.log('Spring Beans Visualized App listening on port '   SERVICE_PORT)
  console.log('Beans info located on: '   BEANS_URL)
})