Manish Kumar developed foundational Azure Linux 3.0 operating system detection support for the microsoft/documentdb repository, focusing on enabling seamless migration from Azure Linux 2.0. He implemented robust environment detection logic using Shell scripting, ensuring accurate classification and handling of Azure Linux 3.0 deployments. Manish also built the base Docker image for AZL3.0, establishing a stable platform for future updates and reducing migration risk through improved edge-case handling. His work in containerization, DevOps, and operating system migration provided a formalized release scaffolding, laying the groundwork for subsequent enhancements and supporting a smooth transition to the new operating system environment.