How does this work? Our fridge is most of the time fairly full so I have a hard time imagining where would I put a camera to get a good overview of its content

How does this work? Our fridge is most of the time fairly full so I have a hard time imagining where would I put a camera to get a good overview of its contents. It seems that the best place is about half a meter outside. Even a fisheye would not be able to cover both door and the rest of it.