In the project directory, you can run:
Runs both the client app and the server app in development mode.
Open http://localhost:3000 to view the client in the browser.
Runs just the client app in development mode.
Open http://localhost:3000 to view the client in the browser.
Runs just the server in development mode.
Builds the app for production to the build folder.
It correctly bundles React in production mode and optimizes the build for the best performance.
If deploying to heroku this does not need to be run since it is handled by the heroku-postbuild script
See the section about deployment for more information.
You can learn more in the Create React App documentation.
To learn how to setup a local MongoDB instance for testing, check out how to Connect to MongoDB.
To learn how to deploy a full-stack web app to heroku, check out this great guide.
To learn React, check out the React documentation.
This section has moved here: https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify