ingress-controller-install

GitOps-flavored Traefik Ingress Controller bootstrap, env addition, or chart upgrade in a Kustomize + ArgoCD repo. Operates exclusively on files under common.traefik/ (base, overlays, argocd manifests). Never runs helm install or helm upgrade — those are ArgoCD's job. Plan-only: edits Kustomize files, emits the git add / commit / push commands, and the operator drives git. Validates coexistence with ingress-nginx…