It is necessary to download the npm, pm2, and mssql Node.js modules to run the backend. The backend extracts data from a Microsoft SQL database This is the current workable verstion of the project. The data is finally correctly fetched. The line Chart works only by running the index.html file in the folder Trend1. However to run it, it would be necessary to have the data from the IMETDB database. Features remaining to be applied: Set Time limits and update.