According to Twelve-Factor principles, where should app configuration live?

Problem Statement

Explanation

Env vars let you change configuration per environment without code edits. They are easy to inject in containers and CI/CD. Read them once at startup and validate. Do not hard-code secrets or hostnames in code.

Code Solution

SolutionRead Only

import os
DB_URL = os.environ['DATABASE_URL']
DEBUG = os.getenv('DEBUG','0')=='1'

Practice Sets

This question appears in the following practice sets:

System Design & Best Practices

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According to Twelve-Factor principles, where should app configuration live?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

According to Twelve-Factor principles, where should app configuration live?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Is Python compiled, interpreted, or both?

Which of these joins two lists to make one new list?

Which loop runs until a condition becomes false?

Which method gives the floor value of a float?

In Python, what is the difference between '/' and '//'?

More from Python

Master Interviews
Anywhere, Anytime