The Complete React Developer Course (with Hooks and Redux) - Heroku Environment Variables

What is the primary tool used to set up environment variables in production for Heroku?

• GitHub Actions

• Webpack

• Heroku Command Line Interface

• Heroku Dashboard

Which command is used to display all current environment variables in Heroku?

• heroku config:print

• heroku config:show

• heroku config:list

• heroku config

How can you remove an environment variable in Heroku?

• heroku config:unset

• heroku config:delete

• heroku config:remove

• heroku config:clear

Why is it important to use .gitignore for certain files before committing?

• To reduce the size of the repository

• To prevent sensitive information from being exposed

• To speed up the commit process

• To ensure compatibility with Heroku

What command is used to deploy the application to Heroku?

• git push heroku master

• git push heroku main

• heroku push

• heroku deploy

Which tool is used to set up environment variables in webpack?

• DefinePlugin

• Cross-ENV

• Dotenv

• Webpack-ENV

What is the purpose of using the cross-env tool?

• To optimize application performance

• To manage Heroku deployments

• To compile JavaScript files

• To set environment variables for test scripts