Kubernetes is easy to demo and hard to run well. These articles cover the second part: operating clusters for real workloads where security, reliability, and cost all matter at once. They draw on my work on Amazon EKS and Docker, and on the mistakes I made before things clicked.

You’ll find guides on injecting secrets securely, getting more out of sidecar containers, wiring workloads to AWS with Pod Identity, and making sense of what your cluster is doing. Wherever possible I include a working demo, because these concepts stick once you’ve run them and watched them break.

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