Worked on the nebius-solutions-library repository to enhance infrastructure reliability by addressing a critical configuration issue in filestore jail submounts. Introduced a precondition check using Infrastructure as Code principles with Terraform and HCL, ensuring that '/home' cannot be used as a mount path. This targeted fix prevents a misconfiguration that could lead to performance degradation, thereby improving runtime stability and configuration safety across environments. The work focused on eliminating a risky scenario that previously increased support incidents, contributing to the repository’s security and reliability goals through careful validation and proactive error prevention in the deployment process.