as DevOps / SRE / Developer ● Cloud-native enthusiast ● Flesh and Blood TCG playerAgenda ● Controllers, Operators? What are Those? ● Validation & Defaulting ● Finalizers ● Local Clusters and testing com/kubernetes-controllers-overview-b6ec086c1fbControllers ● Controller tracks at least one resource type ● It’s a common approach to manage only one resource type per controller ● Controllers reconciliation resourcesValidating Admission Webhooks https://kubernetes.io/blog/2019/03/21/a-guide-to-kubernetes-admission-controllers/Defaulting “We never want to change or override a value that was provided by the user, if they