[Solved] How should you correctly assign a secret key to a Flask app instance? — Ans: app.secret_key = 'a_very_secure_random_string' | Flask

Flask - Security Best Practices

How should you correctly assign a secret key to a Flask app instance?

Aapp.config['SESSION_KEY'] = 'secret'

Bapp.config['SECRET'] = 'mysecret'

Capp.secret = '12345'

Dapp.secret_key = 'a_very_secure_random_string'

Step-by-Step Solution

Solution:

Step 1: Identify correct attribute
Flask expects the secret key to be set via app.secret_key or app.config['SECRET_KEY'].
Step 2: Check options
Only app.secret_key = 'a_very_secure_random_string' uses the correct attribute app.secret_key with a proper string.
Final Answer:
app.secret_key = 'a_very_secure_random_string' -> Option D
Quick Check:
Use secret_key attribute or config key [OK]

Quick Trick: Use app.secret_key or config['SECRET_KEY'] [OK]

Common Mistakes:

MISTAKES

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How should you correctly assign a secret key to a Flask app instance?