Feature Toggle: A hands-on guide to start using it

Feature toggles are one of the most relevant mechanisms used to modify features in real-time without changing code. Developers can test different changes on a specific group of users before making them available to everyone, being essential in mitigating risks.

This article will provide an overview of how you can benefit from using a feature toggle and how you can implement it into your development or production environments.

What is a feature toggle?

It is a strategy that allows us to enable and disable resources and functionalities in our system in real-time without any changes on the published codebase.

Feature toggles allow defining whether or not such a feature should be connected in real-time, allowing Software Engineering Teams to release a new version of the application more continuously and connect resources and functionalities only when desired.

How to implement a feature toggle?

These two different options can be considered:

API: exposing an endpoint that controls all features and if they are enabled or disabled;
Frameworks: using frameworks like Firebase or Split to manage the features.

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