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Kubernetes

7 articles
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Kubernetes

AKS Observability with Managed Prometheus and Grafana: Metrics, Alerts, and Dashboards

AKS monitoring with Prometheus and Grafana made practical: enable managed scraping, build alert rules, and deploy production dashboards in under an hour.

Thorsteinn Halldorsson · August 15, 2026 · 12 min read Intermediate
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Kubernetes

Kubernetes Admission Controllers: Enforcing Policy with OPA Gatekeeper vs Kyverno

OPA Gatekeeper vs Kyverno compared: Rego vs YAML authoring, mutation, policy testing, webhook latency, Azure Policy for AKS, and a decision framework.

Thorsteinn Halldorsson · August 10, 2026 · 26 min read Intermediate
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Kubernetes

Kubernetes Pod Disruption Budgets: Preventing Downtime During Node Drains and Upgrades

How Pod Disruption Budgets really work: minAvailable vs maxUnavailable, percentage rounding, blocked AKS drains, eviction API behaviour, and monitoring.

Thorsteinn Halldorsson · August 10, 2026 · 17 min read Intermediate
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DevOps

GitOps with Flux vs Argo CD for AKS: A Practical Deployment Comparison

Flux vs Argo CD on AKS compared: architecture, the Helm rendering gotcha, secrets, RBAC, drift and self-heal, plus working YAML for both tools.

Thorsteinn Halldorsson · August 10, 2026 · 25 min read Intermediate
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Kubernetes

Azure Kubernetes Service Cost Optimization: Right-Sizing Node Pools and Autoscaling Policies

AKS cost optimization that holds: right-size node pools from real usage, tune the cluster autoscaler, split system and user pools, and use spot safely.

Thorsteinn Halldorsson · August 10, 2026 · 23 min read Intermediate
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Kubernetes

AKS Production Hardening: A 2026 Security and Reliability Checklist

AKS production hardening done right: 2026 checklist covering RBAC, network policy, node security, and reliability patterns to protect live clusters.

Thorsteinn Halldorsson · June 23, 2026 · 15 min read Intermediate
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Kubernetes

Kubernetes Ingress Controllers Compared: nginx vs Traefik vs Azure Application Gateway

Kubernetes ingress controller comparison of NGINX, Traefik and Azure Application Gateway: TLS, WAF, scaling, cost and when to pick each on AKS.

Thorsteinn Halldorsson · June 17, 2026 · 16 min read Intermediate
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