Your pipeline is: logging, body parsing, rate limiting, authentication, authorization, handler. What is wrong with that order?
Answer it out loud before you open anything. The value of the flags below is in comparing them to what you actually said.
The situation behind the question
A public API. The rate limiter keys on the authenticated user id and falls back to IP when there is no user. Body parsing accepts up to 10 MB.
What it is really testing
Whether the candidate sees middleware order as a correctness and cost decision rather than a stylistic one. There are at least two real problems here and they pull in opposite directions.