Node >= 14.0.0

1.In the project directory, you can run:

npm start

Runs the app in the development mode.
Open http://localhost:3000 to view it in your browser.

The page will reload when you make changes.
You may also see any lint errors in the console.

2.Builds the app for production to the build folder.
It correctly bundles React in production mode and optimizes the build for the best performance.

npm run build

First run

npm run start:dev

..from the backend folder, and then

npm start

from this current folder. After that the data will be available.