Read about ways and tools to test and enforce Kubernetes configurations.
The ImagePullBackOff is an error state that occurs when a Pod startup fails due to an inability to pull the image. In this article, we'll learn how to troubleshoot the ImagePullBackOff error and fix it.
Running schema validation tests is important, and the sooner the better. If all machines (local developers environment, CI, etc.) have access to your Kubernetes cluster, run `kubectl --dry-run` in server mode on every code change. If this isn’t possible, and you want to perform schema validation tests offline, use kubeconform together with a policy enforcement tool to have optimal validation coverage.