I would use nails on top of front so it can pivot for easy emptying.
I just rescued a beer - Opener sign
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Beer Bottle Opener with Cap Catcher by DistressedProjects on Etsy
Can be customized with a pub name and clover, family name, team name and colors, you name it and Ill do what I can to accommodate.
hand painted wall mounted bottle opener | open, drink, repeat
Reclaimed oak beer opener // by Offerman Woodshop (Ron Swanson's real life wood shop)
Wall Mounted Bottle Opener and Cap Catcher by ExpressionsOnSigns
custom wood bottle opener, beer bottle opener, wall mounted, cap catcher, removable cap catcher, "Save Water - Drink Beer", beer gift by OniontownRepurposed on Etsy
Solid Wood Plaque Beer Opener For Man Cave- Motorcyle/Harley Davidson/Beer Lover