Dmitry Grigoryev developed enhanced RBAC support for image catalog management in the cloudnative-pg/charts repository, focusing on secure and scalable Kubernetes deployments. He updated the Helm chart to include ImageCatalogs and ClusterImageCatalogs in ClusterRoles, enabling in-cluster management with precise permission controls. By refining RBAC rules using YAML, Dmitry ensured that only necessary actions were permitted, improving governance and supporting multi-tenant environments. This work streamlined image catalog administration within Kubernetes clusters, reducing manual intervention and supporting scalable operations. The technical approach demonstrated a solid understanding of Helm Charts, Kubernetes RBAC, and YAML, delivering targeted improvements without introducing unnecessary complexity.