GitOps Workflow Patterns
GitOps Fundamentals Core Principles Declarative Infrastructure Version Controlled Changes Automated Reconciliation Self-healing Systems Implementation Patterns ArgoCD Application Configuration apiVersion: argoproj.io/v1alpha1 kind: Application metadata: name: production-app spec: project: default source: repoURL: https://github.com/org/app-config.git targetRevision: HEAD path: environments/production destination: server: https://kubernetes.default.svc namespace: production syncPolicy: automated: prune: true selfHeal: true Workflow Patterns Multi-Environment Setup # environments/base/kustomization.yaml apiVersion: kustomize.config.k8s.io/v1beta1 kind: Kustomization resources: - deployment.yaml - service.yaml - ingress.yaml # environments/production/kustomization.yaml apiVersion: kustomize.config.k8s.io/v1beta1 kind: Kustomization bases: - ../base patchesStrategicMerge: - production-patches.yaml Security Practices RBAC Configuration apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: name: gitops-deployer rules: - apiGroups: ["apps"] resources: ["deployments"] verbs: ["get", "list", "watch", "create", "update", "patch", "delete"] Production Example # Complete GitOps application setup apiVersion: argoproj.io/v1alpha1 kind: Application metadata: name: full-stack-app namespace: argocd spec: project: production source: repoURL: https://github.com/org/app-config.git targetRevision: main path: environments/production directory: recurse: true destination: server: https://kubernetes.default.svc namespace: production syncPolicy: automated: prune: true selfHeal: true syncOptions: - CreateNamespace=true retry: limit: 5 backoff: duration: 5s factor: 2 maxDuration: 3m These patterns ensure reliable, automated deployment workflows. ...