Kubernetes Multi-Tenancy: Namespace Isolation, RBAC, and Network Policies Explained Most teams running shared Kubernetes clusters believe they have isolation. They have namespaces. They have different teams deploying to different namespaces. It feels like separation. It is not. Kubernetes was designed as a single-tenant system. Multi-tenancy is not a built-in feature. It is a property you constr
Part 2 of 5 in The New Engineering Contract - what it means to lead engineers when AI is doing more of the coding. Stripe never skipped the boring stuff. They ship 1,300 AI PRs a week. Amazon skipped it. Their storefront went down for six hours. Kent Beck wrote the answer in Extreme Programming Explained in 1999. We read it. Then chose velocity anyway. A friend of mine leads engineering at a funde