Andrii Telesh worked on improving the reliability of stack restarts in the docker/compose repository, focusing on backend development and container orchestration using Go and Docker Compose. He addressed a bug where stack restarts would fail after network configuration changes by implementing logic to handle dangling containers and ensure clean disconnection from outdated networks, followed by reconnection to updated or resolved networks. This solution reduced deployment downtime and minimized manual intervention during network transitions. Andrii’s work demonstrated a deep understanding of container lifecycle management and networking, resulting in more stable orchestration workflows across diverse environments and improved maintainability of deployment processes.