I can see a two-phase project:
1) build a simple Danby 440 one (selling for $159 at the Home Depot), to use for now
2) build a hutch type cabinet that incorporates one of these, and another bottle-oriented mini-fridge
The hutch cabinet would have shelves for glasses above, similar to a china cabinet.
No SWMBO to worry about, I'm nearly retired, and have plenty of money
But back to the outside question: let's say it is 0 degrees(F) outside for a week, 24/7. How could an outside freezer or refrigerator keep beer at 48 degrees? I like wheat beers, and porter/stout types, which are not served ice cold. And what would stop it from just freezing the beer?