Why do we do a hand over when we release a system into production? There is a new machine(s) involved. There are different protocols for talking with the computer. Due to security there are different tools involved. But. It is the same system.
Just as programming is designing is architecting is designing is programming I say that developing is running is developing.
Now there is a word for it, Devop. Developer and Operator. Makes it much easier to explain when it is googleable.