Why is it important to set environment variables like FLASK_ENV=production when deploying a Flask app?

hard📝 Conceptual Q10 of 15

Flask - Deployment

Why is it important to set environment variables like FLASK_ENV=production when deploying a Flask app?

AIt changes the app's URL routing

BIt disables debug mode and enables production optimizations

CIt automatically installs dependencies

DIt enables Flask's built-in server to run faster

Step-by-Step Solution

Solution:

Step 1: Understand the role of FLASK_ENV
Setting FLASK_ENV=production tells Flask to disable debug and enable production settings.
Step 2: Recognize effects on app behavior
This prevents debug info from showing and can enable performance improvements.
Final Answer:
It disables debug mode and enables production optimizations -> Option B
Quick Check:
Environment variable purpose = C [OK]

Quick Trick: Set FLASK_ENV=production to disable debug and optimize [OK]

Common Mistakes:

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