Build FastAPI microservice with auth and rate limiting

I'll use my expertise in translation and documentation to deliver this efficiently.

I'll use my expertise in python and testing to deliver this efficiently.

I'll use my expertise in web-scraping and json to deliver this efficiently.

I'll use my expertise in security and solidity to deliver this efficiently.

I will build the requested production-ready FastAPI service with the specified authentication, authorization, rate limiting and deployment requirements, include tests and Docker setup, and validate the deliverable against the task acceptance requirements.