About This Architecture

Multi-namespace Kubernetes architecture on Azure AKS with NGINX Ingress, WAF NetworkPolicy, and horizontal pod autoscaling across availability zones. Traffic flows from users through an Azure LoadBalancer to the NGINX Ingress Controller, which routes requests to web-frontend pods managed by HPA and distributed across AZ-1 and AZ-2 nodes. ConfigMaps and Secrets inject configuration and credentials into pods, while RBAC via ServiceAccount and RoleBinding enforce least-privilege access. Backend PostgreSQL StatefulSet persists data via PVC to Azure managed storage with SSD StorageClass, with the Control Plane API Server and etcd maintaining cluster state. This architecture demonstrates production-grade security, scalability, and data persistence patterns for containerized web applications on Kubernetes.

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How do I design a production Kubernetes web application architecture on Azure AKS with autoscaling, security, and persistent storage?

This diagram shows a multi-namespace Kubernetes architecture on Azure AKS where users access web-frontend pods through an NGINX Ingress Controller protected by WAF NetworkPolicy. HPA automatically scales pods across availability zones, while RBAC via ServiceAccount and RoleBinding enforces least-privilege access. ConfigMaps and Secrets inject configuration and credentials, and a PostgreSQL Statefu