1575 articles
The senior engineer proposes Kafka for the notification system. You have 500 users. The junior engineer proposes a direct function call. The senior engineer is technically correct and strategically wrong. Knowing when good architecture is overkill is the skill that separates senior from staff.
Deploy inference workloads on Kubernetes with vLLM, GPU scheduling, autoscaling, and spot instances for cost-effective large-language model serving.
Implement zero-trust networking with Kubernetes NetworkPolicies. Learn default-deny patterns, label-based pod selection, DNS egress, multi-namespace policies, and testing with netshoot.
Master Kubernetes resource requests and limits to prevent OOMKills, CPU throttling, and cascading failures. Learn QoS classes, LimitRange, VPA, HPA, and the complete right-sizing workflow for production workloads.
Stop storing base64-encoded secrets in etcd. Evaluate External Secrets Operator, HashiCorp Vault, Sealed Secrets, and secret rotation strategies for GitOps-native Kubernetes deployments.