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Thoughts on engineering, design, and building great products.

SeriesAll postsServiceAIAPFAPIAPI GatewayARPAWSAdmissionAffinityAggregationAnsibleAppArmorArchitectureAuthenticationAuthorization
Smoke Test: The Whole Cluster Running To...
DevOpsDeployment

Smoke Test: The Whole Cluster Running Together

Every component is present; this article tests that they work together. We deploy a real application via a Deployment, expose it with a Service, call it by name and watch traffic spread evenly across replicas, use logs/exec/port-forward, then delete a pod to see the cluster self-heal. Each test shines a light on one piece we built throughout the series.

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KaiMay 24, 2026· 19 views
Service: A Stable Address and Load Balan...
DevOpsNetworking

Service: A Stable Address and Load Balancing

Pods come and go, IPs change constantly — so how do you call them? A Service gives you a stable address in front of a group of pods and load-balances automatically. This article: how ClusterIP, NodePort and LoadBalancer differ, how internal DNS lets you call a service by name, and kube-proxy behind it all.

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KaiMay 23, 2026· 59 views