Cut off shadows

[defaultkdwfsw0ge7rt]

I'm creating a scene with my bottle at in a fridge, my bottle is an object but the fridge is just an image that I'm using as my environment. Is there a way for me to cut off the shadows and reflections at the edges of the fridge so that there won't be any floating spots in the air?

[Ussnorway]

you could try adding a base