GitOps — Infrastructure z Gitu

GitOps principy, ArgoCD, ApplicationSets a progressive delivery.

Principy

• Git = single source of truth
• Deklarativní desired state
• Automatická reconciliation
• Pull-based deployment

ArgoCD

apiVersion: argoproj.io/v1alpha1
kind: Application
spec:
  source:
    repoURL: https://github.com/myorg/k8s-manifests
    path: apps/my-api/overlays/production
  destination:
    server: https://kubernetes.default.svc
  syncPolicy:
    automated: {prune: true, selfHeal: true}

ApplicationSets

Deploy do všech clusterů automaticky — generators pro clusters, Git directories, Pull Requests.

Shrnutí

GitOps = Git + K8s + reconciliation. ArgoCD pro UI, Flux pro lightweight.