** GitOps Across Clusters Made Simple with ArgoCD and Kustomize
GitOps, a popular DevOps practice, involves automating application deployment and lifecycle management across multiple clusters. Recent advancements in tooling have simplified this process. ArgoCD and Kustomize are two key tools that enable seamless GitOps operations.

ArgoCD is an open-source continuous deployment tool that continuously reconciles the desired state of Kubernetes clusters with their actual state. It automatically polls a GitOps repository, ensuring that application definitions and configurations are up-to-date and in sync across all clusters.

Kustomize, on the other hand, introduces a template-free way to customize application configuration. This simplifies the use of off-the-shelf applications and makes it easier to define manifests for multiple environments.

The combination of ArgoCD and Kustomize provides an efficient solution for managing multiple applications across various Kubernetes clusters. The ApplicationSet resource in ArgoCD allows for dynamic creation of applications across different clusters, using variables to determine the correct path for each environment.

This streamlined process enables developers to focus on writing code rather than manually applying kubectl commands or maintaining complex Helm charts. The use of GitOps principles ensures that application state is consistently managed and version-controlled, making it easier to implement Role-Based Access Controls (RBAC) and maintain compliance with organizational policies.

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Source: https://dev.to/klip_klop/gitops-across-clusters-how-argocd-and-kustomize-makes-it-simple-489j