This is a static web projects so you do not need any server to run the project. But you need the data file (workbook.csv) when you want to see the visualization results. Textual report are written in the html file manually.
Files (home.html, index.php, compose.json ) to mimic the php environment for Heroku deployment
You may see the demo through the link: https://nydoevis.herokuapp.com/ (Remember to download and use the workbook.csv file in the project!)