I am working on a https://github.com/Katana-devel/car_rental_pet I want to create a payment system, but not a full-fledged one, because as I understand it, I can't make full-fledged payment system for a simple pet project. So I am making a workaround to demonstrate that I understand the logic and so on. I wanted to ask if I can use redis this way for the payment system: create Unconfirmed_payment - redis with TTL, etc. -> If the user hits the pay endpoint (kinda pay) -> the info is taking from redis and adding to postgres. It seems logical to me, but I've heard that NoSql databases cannot be used for payments. Are there more appropriate methods? For example, using appscheduler or something like that? Or it's okey? Give me an sound-advice please Continue reading...