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DevOps & observability · #kubernetes
Argo CD’s ApplicationSet lets you generate many Applications from a single template. This guide shows a full example, explains RBAC needs, and lists common pitfalls so you can deploy to multiple environments reliably.
Helm hooks buy ordering but cost visibility: they vanish from helm template and diff tooling. A decision rule for migrations, warm-ups, and setup jobs.
Learn how to size a Harvester cluster with Longhorn, define trust boundaries, monitor health, and handle failure modes to keep persistent volumes reliable.
Gardener's Seed clusters host Shoot control planes as custom resources, turning cluster fleet management into declarative Kubernetes operations. This post walks through provisioning an AWS Shoot, scaling its node pool, and the operational trade-offs of Seed density.
Rancher 2.7+ ships a built‑in GitOps controller that syncs Helm charts from Git to Kubernetes. Learn how to enable it, deploy a chart in a single workflow, and understand the trade‑offs before you roll it out.
Learn how Traefik Mesh implements the SMI TrafficSplit resource for weighted traffic splitting, including a corrected YAML example, verification guidance, and important limitations.
A decision guide for selecting Jenkins pipeline execution environments—Docker agents, Kubernetes pods, or static agents—covering isolation, resource control, startup latency, and maintenance trade-offs for Jenkins 2.400+ LTS. Includes a comparison table and a concrete validation pipeline.
Gardener shoot autoscaling hinges on worker-pool bounds, expander strategy, and conservative scale-down defaults. This post shows how to configure priority-based pool selection, tune scale-down delays, and verify behavior before production surprises hit the bill.
Learn how to update a Talos node's machine config with a patch to add Kubernetes node labels, avoiding a full file rewrite and ensuring atomic, versioned changes.
argocd
helm
gardener
rancher
traefikmesh
docker
talos