Instruction: Outline the process for adding rate limiting to a Flask API to control the rate of requests a user can make.
Context: This question tests the candidate's ability to apply rate limiting in Flask applications, an essential feature for API security and efficiency.
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First, let's clarify what we're aiming to achieve with rate limiting. Essentially, we want to control how many requests a user (or more specifically, an IP address or authenticated user) can make to our API within a given timeframe. This helps prevent abuse, ensures equitable resource distribution, and maintains the API's responsiveness.
To implement rate limiting in a Flask application, I've found success using the Flask-Limiter extension. It provides a straightforward and flexible way to add rate limiting capabilities to Flask routes with minimal overhead. Here's the step-by-step process I would follow, based on my experience:...