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 scoping. By refining RBAC rules using YAML, Dmitry ensured that only necessary actions were permitted, supporting multi-tenant environments and improving governance. This work streamlined image catalog administration within Kubernetes clusters, reducing manual intervention and supporting operational efficiency. The feature demonstrated a targeted approach to security and access control, leveraging Helm Charts and Kubernetes expertise for practical, maintainable improvements.