kubernetes-specialist

RBAC and NetworkPolicies enforce least-privilege access and network segmentation in Kubernetes. RBAC controls who can perform actions on resources; NetworkPolicies restrict traffic between pods. Both are essential for hardening production clusters and satisfying security compliance requirements.

Deploy Helm charts declaratively using GitOps tools like ArgoCD or Flux, which automatically sync manifests across multiple clusters. This approach enables version control, automated rollbacks, and consistent configuration management across production environments.

Define resource requests and limits in pod specifications to guarantee CPU and memory allocation; add readiness and liveness probes to monitor container health and trigger automatic restarts. This ensures reliable scaling and high availability in production.

Yes. StorageClasses automate PersistentVolume provisioning, and CSI drivers integrate third-party storage backends. Together they enable dynamic, production-grade persistent storage for StatefulSets and other workloads requiring data durability.

Services provide stable endpoints for pod discovery; Ingress routes external traffic to Services; NetworkPolicies control inter-pod communication. Combined with DNS, they form the networking foundation for multi-pod, multi-namespace architectures.

Use namespaces to partition clusters logically, apply least-privilege RBAC per namespace, and enforce NetworkPolicies for traffic isolation. Strategic labeling and annotations document design decisions and enable cluster-wide resource management and compliance audits.