should be okay is definitely not enough for me to ship things to production. And while I do have automated tests, they might sometimes stub system calls as I'm

should be okay is definitely not enough for me to ship things to production. And while I do have automated tests, they might sometimes stub system calls as I'm mostly testing my code to keep things stable and fast. I'd rather explicitly declare my dependencies and use the same container for development, test and production to feel much more confident that it includes actually everything that's needed.