Kim developed a feature for the castai/helm-charts repository that enables secure, secret-based cluster identification for the Gpu Metrics Exporter. By introducing the clusterIdSecretRef option in values.yaml and updating daemonset.yaml, Kim ensured the cluster ID is injected from a Kubernetes Secret rather than being hard-coded. This approach, implemented using Helm templating and YAML, improves security and simplifies multi-cluster deployments by centralizing identity management. The work focused on maintainability and traceability, with changes clearly linked in version control. Kim’s contribution addressed a specific need for secret-managed identity in Kubernetes environments, demonstrating depth in Helm chart engineering and Kubernetes best practices.