Worked on enhancing authentication reliability in the kubernetes/ingress-nginx repository by addressing issues with header-based authentication configuration. Focused on backend development using Go and Kubernetes, the work involved implementing a deep comparison mechanism to detect changes in authentication proxy headers. This approach ensured that updates to the auth-proxy-set-headers annotation were accurately recognized, preventing stale configurations and reducing the risk of misconfiguration for users relying on header-based authentication. By resolving a bug tied to issue #14103, the changes improved the stability and correctness of the authentication flow, contributing to better uptime and reliability for ingress-nginx deployments.