Attached is a photo of my shelf I made for a local Starbucks so they can put their new tea containers on. Anyways I need to mount the shelf to a tile wall and I need to do it in a way that will not disrupt the interior volume of the shelves. In other words, I am new to woodworking and I did not leave myself much room to wiggle haha.

As I said I am new, and I am primarily all hand tools. I do have a power router and I considered getting a keyhole bit( I think thats the one). Any and all suggestions are welcome and thanks for looking!

WallShelfStarbucks.jpg