[Solved] Why does this FastAPI static files setup cause a runtime error? app.mount('/static', StaticFiles(directory='static')) app.mount('/static', StaticFiles(directory='assets')) | FastAPI

FastAPI - File Handling

Why does this FastAPI static files setup cause a runtime error?

app.mount('/static', StaticFiles(directory='static'))
app.mount('/static', StaticFiles(directory='assets'))

ADirectory names must be the same as URL paths

BStaticFiles cannot be mounted twice in one app

CMounting two static folders at the same URL path causes conflict

DMissing name parameter in mount calls

Step-by-Step Solution

Solution:

Step 1: Analyze mount path usage
Mounting two different static folders at the same URL path '/static' causes a conflict and runtime error.
Step 2: Understand FastAPI mount rules
Each mount path must be unique. Mounting twice at same path is invalid regardless of directory or name.
Final Answer:
Mounting two static folders at the same URL path causes conflict -> Option C
Quick Check:
Unique mount paths required [OK]

Quick Trick: Each mount path must be unique in FastAPI [OK]

Common Mistakes:

MISTAKES

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Why does this FastAPI static files setup cause a runtime error?