const newfilename = 'foo.csv'

        // Set the options/headers that we will pass to sendFile()
        var options = {
            root: __dirname + '/uploads',
            dotfiles: 'deny',
            headers: {
                'x-timestamp': Date.now(),
                'x-sent': true,
                'Content-type': 'text/csv; charset=utf-8',
                'Content-disposition': `attachment;filename="foo.csv"`
            }
        };

        // This will actually send the file to the browser as a direct download
        response.sendFile(newfilename, options, (err) => {
            if (err) {
                return res.status(500).send(err)
            }

            console.log(`Sending file: ${csvFilePath}`);
        });

app.use(cors({
    origin: 'https://www.example.com',
    methods: 'POST'
}))

// allow files to be served from here
app.use(express.static(path.join(__dirname, 'uploads')))