Kubernetes and Container Orchestration

Kubernetes is a runtime orchestrator, not a platform strategy. Treating it as the latter is how organizations end up with a healthy control plane and a system that still cannot deploy on a Friday afternoon. The articles in this collection separate what Kubernetes actually solves — pod scheduling, service discovery, declarative reconciliation — from what it leaves to the team around it: governance, identity, cost attribution, incident response.

Patterns content focuses on primitives that matter regardless of distribution. Workload Identity Federation as the replacement for long-lived service-account tokens. Pod Security Admission as the successor to PodSecurityPolicy that most clusters still pretend they migrated from. NetworkPolicy as the default rather than the exception, with the egress rules that catch the data-exfiltration paths most teams forget exist.

Control plane versus data plane is a recurring distinction. The control plane defines intent; the data plane runs the work; failures look identical from a kubectl get pods perspective and require entirely different responses. Articles cover where API server throttling, etcd object churn, and CNI plugin behavior become the limit rather than the workload itself.

Ecosystem maturity gets honest treatment. Service meshes solve real problems and introduce real failure modes; CRDs let an operator extend the API and let a misbehaving controller take down a namespace. The content names which extensions justify their operational cost in production and which look better in a conference talk than in an on-call rotation.

For AKS-specific operational content — node pool design, Azure CNI behavior, upgrade mechanics — see the AKS tag. This collection stays at the Kubernetes layer: the patterns and trade-offs that apply whether the cluster runs on Azure, on-premises, or somewhere in between.

Pod Identity & Access Control in AKS: What Actually Breaks

Pod Identity & Access Control in AKS: What Actually Breaks

Traditional AKS authentication relied on service principals and mounted secrets. Workload Identity Federation eliminates credential lifecycle problems, but introduces new failure modes. This article covers the operational realities: where credentials still leak, how RBAC layers compound across Kubernetes and Azure, and validation patterns that prevent identity failures in production.
Kubernetes Is Not a Platform Strategy

Kubernetes Is Not a Platform Strategy

Kubernetes has become an assumed default in many organizations, positioned as a universal platform that absorbs governance, security, observability, and operational responsibility. This narrative is incomplete. Kubernetes is a powerful runtime orchestrator that solves one phase of the software lifecycle. Architectural risk, cost decisions, and operational failure occur elsewhere. A critical examination of where Kubernetes’s responsibility ends, and what remains the architect’s job.
AKS Network Policies: The Security Layer Your Cluster Is Missing

AKS Network Policies: The Security Layer Your Cluster Is Missing

Network segmentation is a fundamental security control for modern Kubernetes environments. AKS supports multiple networking models such as kubenet, Azure CNI, and overlay CNIs. The networking model matters, but the decisive factor for enforcing isolation and compliance is the consistent application of network policies.

This article describes how network policies work in AKS, the available engines, practical examples, and recommended practices for enforcing a zero-trust posture within a cluster.

AKS Networking Clash: kubenet vs. CNI vs. CNI Overlay

AKS Networking Clash: kubenet vs. CNI vs. CNI Overlay

Selecting the right network model is arguably one of the most critical architectural decisions you will make when deploying a Kubernetes cluster on Azure Kubernetes Service (AKS). This choice ripples through nearly every aspect of your cluster’s lifecycle, influencing how pods communicate, how efficiently you use your IP address space, which Azure services integrate seamlessly with your workloads, and ultimately, how well your infrastructure scales to meet future demands. It affects scalability, security posture, operational cost, performance characteristics, available integration options, and your long-term operational flexibility.