Developed an IP-based network policy configuration for the microsoft/hcsshim repository, enabling policy enforcement based on individual IP addresses to enhance container network management. Leveraged Go and network programming expertise to design and implement a feature that allows network adapters to be configured per IP, improving security and operational efficiency for multi-tenant environments. The work included careful policy design, disciplined code review, and a signed-off commit to ensure traceability and maintain code quality. This contribution established a foundation for future policy extensions and broader IP-based support, addressing the need for granular network control within containerized infrastructure using Go.