Tag archive

kubernetes

Platform engineering notes on cluster design, workload operations, and the systems around running Kubernetes well.

Glossy blue-and-green rollout switchyard with twin service lanes, a central promotion gate, and traffic conduits bending from stable blue toward green preview paths

Delivery Workflows

Progressive delivery on Kubernetes with Argo Rollouts

Learn how to use Argo Rollouts on Kubernetes for canary and blue-green deployments, automated rollback, and GitOps-based progressive delivery.

8 min read Read article

Glossy cyan provisioning forge with descending workload capsules feeding a central ring that extrudes right-sized worker monoliths

Kubernetes

EKS node autoscaling with Karpenter: just-in-time capacity without node groups

Karpenter changes EKS node autoscaling by launching right-sized EC2 nodes from pending pods, then consolidating and replacing them as the fleet drifts.

12 min read Read article

Glossy indigo queue gate sending a bright event pulse into a staggered stack of replica cards

Kubernetes

KEDA on Kubernetes: Event-Driven Autoscaling and Scale to Zero

Use KEDA on Kubernetes to scale from queue depth, lag, and schedules, and understand when scale to zero is worth the cold-start trade-off.

9 min read Read article

Networking

Kubernetes networking with Cilium: eBPF, kube-proxy replacement, and Hubble

Cilium changes Kubernetes networking by replacing more of kube-proxy with eBPF, enforcing identity-aware policy, and adding flow visibility through Hubble.

11 min read Read article

Kubernetes

Kubernetes Batch Workloads with Kueue: Queues, Quota, and Fairness

Use Kueue to queue Kubernetes batch workloads before they hit the scheduler, so shared cluster quota is admitted deliberately instead of all at once.

9 min read Read article

Glossy Crossplane-inspired control-plane frame with colourful horizontal bands routing into layered infrastructure surfaces

Infrastructure as Code

Kubernetes as Your Infrastructure Control Plane with Crossplane

Use Crossplane to make Kubernetes your infrastructure control plane — a self-service platform API for cloud resources, reconciled continuously.

10 min read Read article

Kubernetes

Surviving Node Drains with PDBs, Topology Spread, and Graceful Shutdown

Node drains are ordinary Kubernetes maintenance, but they only stay boring when replicas are spread out, disruptions are budgeted, and pods shut down cleanly.

10 min read Read article

Troubleshooting

Kubernetes ImagePullBackOff and Pending Pod Troubleshooting

Complete guide to diagnosing and fixing the most common pod deployment failures

7 min read Read article

Security

Zero-Trust Networking in Kubernetes with Istio Service Mesh

Zero trust architecture in Kubernetes, from implementation and policy to observability.

15 min read Read article