I few years back I made this "garden barrel" and I'm very satisfied with the results. I planted a diversity of things, including herbs, lettuces, cherry tomatoes, etc. but I'm thinking to upgrade it a little like opening the holes a bit bigger and actually use the center tube as a "worm compost". I'll introduce some red wigglers in the tube to experiment. Here are some pictures:
Commercial Version
My DIY version
Commercial Version

My DIY version




