Engineering Blog

GitOps

Mastering Argo CD Diffing: Why Changes Go Unnoticed and How to Fix It

Mastering Argo CD Diffing: Why Changes Go Unnoticed and How to Fix It

Argo CD is a cornerstone of GitOps for Kubernetes, continuously reconciling the desired state defined in Git (or Helm/OCI sources) with the live cluster state. At the heart of this reconciliation lies diffing—the process of comparing manifests to detect drifts, mutations, or manual changes. When diffing fails to spot differences, applications can appear “OutOfSync” unexpectedly…