Worked on the zed-industries/zed repository to optimize Docker Compose startup behavior within Dev Containers. Developed a targeted startup mechanism by propagating runServices into the Docker Compose invocation, ensuring that only specified services and their dependencies are launched while unrelated services remain inactive. This approach reduced startup time, memory usage, and potential side effects in development environments. The implementation was completed in Rust, leveraging DevOps and Docker expertise, and included comprehensive tests to validate the new behavior. Release notes were updated to document the change, and the work was aligned with UI/UX and reliability standards to ensure a smooth developer experience.