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Why this exists kubectl apply and helm upgrade are both push : something outside the cluster (a person, a pipeline) decides when to send a change. GitOps flips that: a controller running inside the cluster continuously…

GitOps with Argo CD: Application and ApplicationSet Manifests, Proven with a Real Sync

A real Argo CD Application (automated sync, self-heal, prune, cascading delete) and an ApplicationSet that generates one Application per environment from a list, installed and synced against a real cluster — including a manual kubectl scale genuinely reverted by self-heal within seconds, and a cascading delete that genuinely removes the live resources with it.

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