Description: Ingress controller annotations are metadata that can be added to ingress resources to configure the behavior of the ingress controller. These annotations allow users to customize and extend the functionality of ingress controllers in cloud-native environments, facilitating the management of network traffic to applications deployed in a cluster. Annotations are key-value pairs that can be applied to ingress objects, and their use is fundamental to defining aspects such as authentication, authorization, load balancing, and SSL termination. Being flexible and extensible, annotations enable developers and administrators to tailor the behavior of the ingress controller to the specific needs of their applications without modifying the controller’s code itself. This translates into greater agility and responsiveness to changes in infrastructure or application requirements. In production environments, where availability and security are critical, ingress controller annotations become an essential tool for optimizing performance and traffic management, ensuring that applications are accessible and secure for end users.