JavaScript by Example

Optimizing Webpack builds for different environments

While working on large scale applications, there are usually different types of environments created for the application to run, such as development, testing, staging, production, and so on. Each environment has different configurations for the application and is useful for development and testing by different groups of people in the team.

For example, imagine you have an API for payments in your app. During development, you will have sandbox credentials and, for testing, you have different credentials, and finally, for production, you have the actual credentials needed by the payment gateway. So, the application needs to use three different credentials for three different environments. ...