I was actually thinking of a machine where you insert your bottle and a screen lowers. It then does a quick scan to confirm it is a bottle of the correct dimensions and weight. It lowers a rod into the bottle and steam-sterilises it. It bakes the outside of the bottle so the bottle reaches >100 degrees for several seconds.
It then chills the bottle. It could do this by pumping refrigerated water into the bottle and then extracting it again.
Finally, it rolls a label onto the outside of the bottle and fills it with a refreshing beverage. Optionally, it could then seal the bottle.
This machine is then installed like a vending machine, but with far greater capacity (it could mix drinks with filtered water on site) and lower cost.