Building Scalable Cloud Infrastructure with Kubernetes
From traffic surges to failovers, modern platforms need elasticity, resilience, and cost control. Kubernetes delivers a programmable control plane for containers across clouds and on-prem. This article shows how to design truly scalable infrastructure: stateless services with Deployments, durable workloads with StatefulSets; elastic capacity via Horizontal Pod Autoscaler (plus KEDA for queue-driven jobs) and Cluster Autoscaler to right-size nodes; reliability through readiness/liveness probes, PodDisruptionBudgets, and topology spread across zones. We cover multi-tenant hygiene (Namespaces, ResourceQuota, LimitRange, RBAC, NetworkPolicies) and an observability stack (Prometheus/Grafana, centralized logs, OpenTelemetry tracing) tied to actionable SLO-based alerting. You’ll implement GitOps with Argo CD and progressive delivery (canary/blue-green) to ship safely, plus storage patterns, backup/DR with Velero, and cost controls using disciplined requests/limits, workload bin-packing, and spot capacity. Walk away with production-ready YAML, a pragmatic rollout plan, and a checklist to avoid common pitfalls—so your Kubernetes platform scales confidently without surprises.
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