That is so neat! My FIL was a Gardener and he always said I just throw stuff out and they grow lol. I know he put a lot more work into it but he cracked me up! He definitely had a green thumb and we would always pick stuff from the garden for dinner and can tomatoe juice, salsa ect. While we were there!You can grow them in large pots, you just have to keep them well nourished and keep the water up. Zuke plants grow pretty big so they drink quite a bit on hot days, especially with those big leaves. I found out quite by accident that they also grow very well in part-shade. I stuck an extra plant in a shady spot, as I hadn't the heart to toss it in the compost and it flourished better there than any other zuke I had grown in full sun. It actually never developed powdery mildew on its leaves either, something I struggled with in full sun locations.
Good luck! Gardening is so fun and rewarding!