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homelab-gitops/apps/grafana/README.md
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# Grafana cluster deployment
Argo CD owns the Grafana Helm release and the dashboard ConfigMaps in
`resources/`. The selected upstream chart version is recorded once in
`bootstrap/grafana.yaml`; change it there to upgrade.
The existing `grafana` Secret supplies the admin credentials, while
`grafana-postgres-secret` supplies database and OAuth credentials. They are
referenced by name and must remain cluster-managed; do not add their data to
this public repository. The prior Helm release record is retained for recovery
and must not be upgraded or uninstalled after Argo adoption.