Ordering Rollouts in Argo CD with Sync Waves and Selective Sync
Use Argo CD sync waves to order resource rollout inside one Application and selective sync to recover a single failed resource without re-applying everything.
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kubernetesRun Database Migrations Before Deploys with Argo CD Pre-Sync Hooks
Use an Argo CD PreSync hook to run an idempotent database migration Job before your application manifests are applied, so new code never starts against an old schema.
Talos Linux: Configuring Nodes via the Secure API – A Practical Guide
Talos Linux replaces SSH with a secure, gRPC/HTTP API for node configuration. This guide explains how the API works, demonstrates a GitOps workflow, walks through practical verification steps, and highlights trade‑offs such as network exposure and certificate management.
talosArgo CD ApplicationSets: Generating Dozens of Applications from One Template
ApplicationSets generate Argo CD Applications from one template plus a generator. Learn how the mechanism works, see a cluster-generator example, and avoid orphaned apps and broad selectors.
Traefik Proxy: Choosing Between Docker and File Providers for Dynamic Configuration
Deciding between Traefik's Docker and File providers depends on whether you prioritize auto-discovery or version-controlled governance. Learn how to implement a hybrid approach for maximum flexibility.
dockerUsing Portainer Git‑Based Stacks for Simple GitOps on Docker Hosts
Learn how Portainer’s Git‑based Stacks let you version‑control Docker Compose files and automate redeploys on Docker hosts, with a concrete example, trade‑offs, and verification steps.
Argo CD ApplicationSet for multi‑cluster GitOps without per‑cluster Application YAML
Use Argo CD ApplicationSet to generate many Applications from one template driven by Git data. Covers minimal design, trust boundaries, operational checks, failure modes and when to split the design.
Deploying Helm Charts with Rancher’s Native GitOps – A Practical Guide
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.
rancherTalos Machine Config: Why One YAML File Replaces Your Entire Node Provisioning Playbook
Talos Linux replaces SSH-and-pray node management with a single declarative YAML applied over an mTLS API. Here's how talosctl apply-config works, with a real GitOps example and the trade-offs.