Production knowledge for Kubernetes, GitOps and cloud migration.
Real-world experience from 25+ production clusters. No listicles - just patterns, benchmarks and debugging workflows we use daily with our clients.
ArgoCD OutOfSync Debugging: 12 Causes, 1 Workflow
OutOfSync is the most common ArgoCD problem. 12 causes with argocd commands, real outputs, and a decision tree that finds every cause in under 5 minutes.
Kubernetes NetworkPolicy Cheatsheet: 12 Copy-Paste Patterns
NetworkPolicies are powerful but confusing. 12 production-ready YAML patterns for ingress, egress, namespace isolation and monitoring. Including the AND-vs-OR trap.
Pod Pending in Kubernetes: 23 Causes, Decision Tree, Fix Workflow
Pod stuck in Pending? The 23 most common causes across 5 categories, with kubectl commands, a decision tree and a workflow to diagnose in under 5 minutes.
OOMKilled in Kubernetes: 6 Causes, kubectl Workflow, Right-Sizing
Pod dying with exit 137? Six causes of OOMKilled in Kubernetes, with kubectl commands, JVM gotchas, and a decision tree for right-sizing in under 10 minutes.
Fix CrashLoopBackOff Systematically: 7 Causes, 1 Workflow
The 7 most common causes of CrashLoopBackOff in Kubernetes - with kubectl commands, real outputs and a decision tree that finds each one in under 5 minutes.
kubectl Debugging Cheatsheet: 12 Commands for Production Incidents
Structured debugging workflow for Kubernetes in production: 12 kubectl commands in the right order - from pod status to ephemeral debug containers.
Hetzner vs. AWS EKS: Honest Kubernetes Cost Comparison for 2026
Real numbers from 12 production clusters: Hetzner with K3s versus AWS EKS. Compute, storage, egress, load balancer and HA setup compared - and when EKS is worth it.
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