ArgoCD ApplicationSets: One Template, Many Clusters
ArgoCD ApplicationSets generate one Application per cluster or environment from a single template. How the generators work, a Git example, and where they bite.
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Kubernetes OOMKilled: Requests vs Limits
Your pod died with OOMKilled and exit 137. What Kubernetes memory requests and limits actually do, what triggers the kill, and how to stop it happening.
Kubernetes Probes: Liveness, Readiness, Startup
Kubernetes has three health probes and mixing them up causes outages. How liveness, readiness, and startup probes work, and the failure modes to avoid.
ArgoCD Sync Waves: Ordering a Kubernetes Rollout
ArgoCD applies your whole app at once, so a migration races the pods that need it. How sync waves and hooks order a Kubernetes rollout, and where they stall.