const express = require('express')
    const path = require('path')
    const app = express()
    const getCachedSensorReadings = require('./get-cached-
    sensor-readings')

    app.use('/public', express.static(path.join(__dirname,
     'public')))

    app.get('/temperature', function (req, res) {
     res.json({
       value:   
    getCachedSensorReadings.getTemperature().toFixed(1)
     })
   })

    app.get('/humidity', function (req, res) {
      res.json({
        value: getCachedSensorReadings.getHumidity()
        .toFixed(1)
      })
    })

    app.listen(3000, function () {
      console.log('Server listening on port 3000')
    })