FastAPI - Middleware and Hooks
Which of the following is the correct way to add middleware globally in FastAPI?
Which of the following is the correct way to add middleware globally in FastAPI?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall FastAPI middleware syntax
FastAPI uses the methodadd_middleware()on the app instance to add middleware globally.Step 2: Eliminate incorrect options
Options A, B and C are invalid: A instantiates middleware without adding it to the app, B and C are invalid method calls.Final Answer:
app.add_middleware(SomeMiddleware) -> Option AQuick Check:
Use add_middleware() to add middleware globally [OK]
Quick Trick: Use app.add_middleware() to add middleware globally [OK]
Common Mistakes:
MISTAKES- Using app.middleware() which does not exist
- Trying to add middleware on route instead of app
- Instantiating middleware without adding it to app
Master "Middleware and Hooks" in FastAPI
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