Did this several years ago with my milk can, before turning it into large "urn" with lighting in my Secret Garden! An outdoor side table made from an antique milk can! Includes directions for adding an umbrella.
Here's a simple tutorial on a sturdy and professional-looking way to to hang string lights on your porch or patio. Caitlin Ketcham of Desert Domicile shows you, step by step. It's on The Home Depot Bl (Outdoor Patio Step)