Yes, most likely the restaurant employees. That's probably why they are starting with orders that are fulfilled by DoorDash employees. From the article > The

Yes, most likely the restaurant employees. That's probably why they are starting with orders that are fulfilled by DoorDash employees. From the article > The service will begin with deliveries from DashMart, DoorDash’s owned and operated convenience, grocery, and retail store that also powers DashMart Fulfillment Services, with plans to expand over time.