Kubernetes is an incredible platform, but there are a lot of things that can go wrong. This is especially the case when you are new to K8S, and are overwhelmed with configuration options, deployment manifests, networking, and how containers work. Fortunately Kubernetes has matured quickly, and there are tons of opensource tools to troubleshoot and monitor your clusters. One of these tools, Popeye, is a must for any Kubernetes operator. Popeye will evaulate your clusters against best practices, and display warnings if it finds issues.
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