server.js

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

function shouldCompress(req, res) {
    if (req.headers['x-no-compression']) {
        // don't compress responses with this request header
        return false
    }
    // fallback to standard filter function
    return compression.filter(req, res)
}

app.use(cors());
app.options('*', cors());

app.use(compression({ filter: shouldCompress }));

app.get('/devices', function (req, res) {
    res.json([
        {
            "site": "",
            "meta": {
                "type": "fridge",
                "name": "LG",
                "mac": "FF-FF-FF-FF-FF-FF"
            },
            "data": {
                "BotCompart": ["1512226846306:-6.304237", "1512226847306:-6.865555", "1512226848306:-0.56960964", "1512226849306:-1.5945711", "1512226850306:-0.47416878", "1512226851306:-0.69944096", "1512226852306:-4.337571", "1512226853306:-0.3595457", "1512226854306:-7.1590548", "1512226855306:-1.9408035", "1512226856306:-1.28617", "1512226857306:1.1471682", "1512226858306:-4.458894"],
                "TopCompart": ["1512226846306:5.961624", "1512226847306:0.9834105", "1512226848306:9.913411", "1512226849306:9.60568", "1512226850306:6.142419", "1512226851306:3.9789772", "1512226852306:0.17221428", "1512226853306:4.024467", "1512226854306:5.1167397", "1512226855306:3.5408144", "1512226856306:5.227454", "1512226857306:6.2171865", "1512226858306:1.5780908"]
            }
        }
    ]);
});

app.get('/devices/:id/data', function (req, res) {
    res.json({
        "site": "",
        "meta": {
            "type": "fridge",
            "name": "LG",
            "mac": "FF-FF-FF-FF-FF-FF"
        },
        "data": {
            "BotCompart": ["1512226846306:-6.304237", "1512226847306:-6.865555", "1512226848306:-0.56960964", "1512226849306:-1.5945711", "1512226850306:-0.47416878", "1512226851306:-0.69944096", "1512226852306:-4.337571", "1512226853306:-0.3595457", "1512226854306:-7.1590548", "1512226855306:-1.9408035", "1512226856306:-1.28617", "1512226857306:1.1471682", "1512226858306:-4.458894"],
            "TopCompart": ["1512226846306:5.961624", "1512226847306:0.9834105", "1512226848306:9.913411", "1512226849306:9.60568", "1512226850306:6.142419", "1512226851306:3.9789772", "1512226852306:0.17221428", "1512226853306:4.024467", "1512226854306:5.1167397", "1512226855306:3.5408144", "1512226856306:5.227454", "1512226857306:6.2171865", "1512226858306:1.5780908"]
        }
    });
});

app.get('/devices/:id/config', function (req, res) {
    res.json({
        "turnedOn": true,
        "collectFreq": 1000,
        "sendFreq": 2000
    });
});

app.listen(3301, function () {
    console.log('server is listening 3301 port');
});