Developed a FIPS-compliant manifest configuration feature for the osbuild/image-builder repository, enabling image manifests to accurately reflect user-specified FIPS settings for enhanced security and compliance. Focused on backend development using Go, the work involved implementing logic to dynamically set FIPS values in image manifests based on user customizations, closing a gap between policy intent and manifest data. This approach streamlined the process of generating compliant images, reduced manual configuration, and supported reproducible builds for regulated environments. The changes were thoroughly validated end-to-end, with documentation updates to improve transparency and maintainability, ensuring alignment with evolving security requirements in image building workflows.