A step-by-step guide to implementing GitOps deployment workflows with Argo CD, covering repository structure, sync policies, and multi-cluster patterns.
Repository structure
Separate application source code repositories from a dedicated GitOps configuration repository — mixing them makes it harder to enforce different review policies for code changes versus deployment configuration changes.
Sync policies and drift detection
Enable automated sync with self-healing for lower environments, but consider manual sync approval gates for production, so a deployment always has an explicit human trigger even though the underlying GitOps mechanics are identical across environments.
Multi-cluster patterns
The App of Apps pattern (a root Argo CD application managing child applications across multiple clusters) scales better than manually configuring each cluster’s Argo CD instance independently as your cluster count grows.
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