ColdFusion on Kubernetes: Stateless Deployment, Redis Sessions, and Horizontal Scaling

Why Statelessness Is the Whole Game
Kubernetes assumes your application pods are disposable. The autoscaler adds pods under load and removes them when traffic drops; rolling updates replace old pods with new ones; a failed node’s pods get rescheduled elsewhere. Any state stored inside a pod — a user’s session in JVM memory, an uploaded file on local disk, a cache on the container filesystem — vanishes the moment that pod is replaced.
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