Git as source of truth is a property, not a slogan

Short summary

A production Kubernetes outage exposed a six-month-old ConfigMap divergence from Git when Helm deployment re-rendered pods to their intended state. The actual problem wasn't the new code but untracked kubectl edits that broke the source-of-truth principle—running pods held stale state, but fresh pods inherited the broken config and crashed. Solution: GitOps with continuous reconciliation (Argo CD or Flux) to automatically synchronize cluster state with Git-tracked configuration.

• •ConfigMap drift from untracked kubectl edits remained hidden until deployment forced pod recreation
• •Image rollback failed because both old and new code would inherit the diverged configuration on startup
• •GitOps with continuous reconciliation agents enforce Git as the single source of truth structurally, not via policy

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