Let me explain how to run the project

Requisite(VScode, node.js(LTS) preinstalled, MongoDB Community Server installed and running)

clone the project to VScode open two terminals both the terminals contain the path to the backend folder in 1 terminal type $node db-cli.js (and press enter) in 2 terminal type $npm run dev (and press enter) in terminal 1 you can insert,delete,etc add photos to images section and note the path in terminal 2 localhost server runs

In Browser http://localhost:3000/api/products for backend info http://127.0.0.1:5500/my-ecommerce/frontend/index.html for frontend