Quentin Bertrand enhanced deployment flexibility for enterprise Kubernetes environments by adding override repository support to the aws/amazon-vpc-cni-k8s Helm chart. He implemented an overrideRepository option, enabling users to specify custom ECR or private registry images for CNI, init, and node agent components. This required updates to Helm template helpers and the project’s documentation, ensuring image paths are constructed correctly when an override is provided. Working primarily with YAML and Markdown, Quentin’s changes addressed the needs of organizations operating in air-gapped or security-sensitive contexts, allowing seamless integration with private registries and improving the adaptability of cloud infrastructure deployments using Helm.