this thing looked pretty cool never bought it though.

https://coderealprojects.com/

might look at this course too: https://www.udemy.com/course/build-real-world-food-delivery-...

I'm not aware of any specific tutorials but here are search terms for the theory:

- supply chain management

- logistics

- graph theory (shortest path problem, node routing)

- network theory

Think about how deliveries work?