There’s an expression at Amazon, adopted from our Indian colleagues: do the needful.
It means do what’s necessary to accomplish your objective and don’t worry so much about what the “right” approach is — that you should feel empowered to solve problems, not get caught up in the never ending stream of people yelling about what is “correct”.
Your goal is to release a product, and you have a tight deadline, so use the tools that let you accomplish that — what you’re familiar with, what you understand, and what enables you to work quickly.
If Kubernetes authors have opinions about how you work, they should show some customer obsession and release a product you can effectively use. That’s not your problem.
Your problem is releasing your app. Do the needful.
There’s no shame in that.
For some meme fun: