Learn how to architect multi-tenant admission control in Kubernetes using Kyverno and OPA, with concrete policy examples, CI/CD patterns, and operational playbooks for tenant isolation at scale.
Introduction In the era of cloud‑native SaaS platforms, multi‑tenancy is the default architectural pattern for delivering cost‑effective, on‑demand software. While sharing compute, storage, and networking resources across customers reduces operational expenses, it also introduces a critical challenge: how to keep each tenant’s data isolated and secure. Data isolation is not a single technique; it is a spectrum of strategies that balance security, performance, operational simplicity, and cost. The choice of strategy influences everything from database schema design to compliance audits, from disaster‑recovery planning to developer productivity. ...