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DevOps & observability · #kubernetes
Stop duplicating Argo CD manifests. Use ApplicationSets to automate the creation of multiple Applications across dev, staging, and prod using a single template.
Learn how to set up a Horizontal Pod Autoscaler v2 for a Deployment, verify that it scales under load, and roll back if needed. The guide covers prerequisites, YAML, commands, checks, and recovery options.
Learn how DigitalOcean Managed Kubernetes automates control plane upgrades and node pool autoscaling to reduce operational overhead for production workloads.
Learn how to diagnose and fix Helm 3 upgrade failures caused by immutable Kubernetes fields using manifest diffs, live object comparisons, and controlled resource replacement.
k3OS uses a cloud‑config file to declaratively set networking, users, SSH keys, and k3s arguments at boot. This guide shows a concrete example, how to verify the changes, and common pitfalls to avoid when working with k3OS’s immutable root filesystem.
Use a PodDisruptionBudget to limit how many matching pods can be evicted at once during node drains and autoscaler scale-in.
Learn how to prevent version drift in Kubernetes deployments by using Helm's Chart.lock mechanism to ensure deterministic dependency resolution across environments.
Decide between Pod Security Admission (PSA) and OPA Gatekeeper for your Talos cluster. Learn how to implement native PSA enforcement to harden workloads with minimal overhead.
A version-aware guide to using Traefik Mesh TrafficSplit for canary releases, with schema verification steps and conservative configuration examples.
argocd
helm
talos
traefikmesh