Summary

In this chapter, we have described labels and annotations and used them to add metadata information, which can either be identifiable information that can be used to filter or select objects, or non-identifiable information that can be used by users or tools to get more context regarding the state of the application. More specifically, we have also organized objects such as pods using labels and annotations. These are important skills that will help you manage your Kubernetes objects more efficiently.

In the following chapters, as we become familiar with more Kubernetes objects such as Deployments and Services, we will see the further application of labels and label selectors while organizing pods for deployment or discovery.