Before run Vending machine app

First, import db.sql to Mysql workbench

Secondly, config db in file application.properties in backend (jav spring boot)

Beside, in frontend run npm i to import node_modules then npm start to run frontend

In frontend, to create new product in localhost:3000/admin

To buy a product, enter price then click Add money. Price will update uder. Click to product you want to buy then click to get your product name and money. The bill will show the product you just purchased.