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Practical deep-dives on Kubernetes, Terraform, CI/CD, cloud cost and platform engineering — written by practitioners, for practitioners.

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$ kubectl get pods --all-namespaces  |  grep -v Running     $ terraform plan -out=tfplan     $ helm upgrade --install myapp ./charts/myapp --atomic     $ docker build --platform linux/amd64 -t geekoncloud:latest .

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terraformterragruntinfrastructure-as-code

Terragrunt vs Terraform Workspaces: A Practical Decision Guide

Cut through the noise. Real criteria for choosing between Terragrunt and Terraform workspaces based on team size, complexity, and actual pain points.

GeekOnCloud·May 29, 2026·6 min read

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kubernetesvaultsecrets-management

HashiCorp Vault on Kubernetes: Production Secrets Management

Deploy Vault on K8s with auto-unseal, injector sidecars, and dynamic secrets. Real configs and commands for production-grade secrets management.

GeekOnCloud·May 28, 2026·6 min read
kubernetesperformancecontainers

Kubernetes Image Pre-Pulling: Cut Pod Startup from Minutes to Seconds

Slash K8s pod startup times by 80%+ with DaemonSet pre-pulling, warm node pools, and registry mirrors. Real configs and benchmarks included.

GeekOnCloud·May 27, 2026·6 min read
kuberneteskarpentercost-optimization

Karpenter Node Autoprovisioning: Cut Kubernetes Costs 40%+

Replace Cluster Autoscaler with Karpenter for faster scaling, spot instance optimization, and real cost savings. Complete setup guide with benchmarks.

GeekOnCloud·May 10, 2026·6 min read
prometheusmonitoringalerting

Prometheus Alerting Rules That Actually Matter in Production

Cut through alert noise with battle-tested Prometheus rules. Real thresholds, actual configs, and the alerts that wake you up for good reason.

GeekOnCloud·May 9, 2026·5 min read
terraforminfrastructure-as-codedevops

Writing Reusable Terraform Modules with Semantic Versioning

Build production-grade Terraform modules with proper versioning, input validation, and registry publishing. Includes real module structure and CI/CD pipeline.

GeekOnCloud·May 1, 2026·6 min read
microsoft-defenderendpoint-securitywindows-security

Microsoft Defender for Endpoint Setup Guide for IT Admins

Deploy Microsoft Defender for Endpoint across your org. Complete IT admin guide covering onboarding, policies, ASR rules, and EDR configuration.

GeekOnCloud·Apr 30, 2026·7 min read

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