How do you manage multiple settings environments in Django (e.g., development, testing, production)?
Instruction: Discuss the strategy for managing different settings configurations for various environments in Django.
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Use a consistent importable layout. One option is a config/settings/ package containing __init__.py, base.py, development.py, test.py and production.py. An environment module imports shared values from .base and then deliberately overrides them. Set DJANGO_SETTINGS_MODULE=config.settings.production for production processes.
Select the module at startup for web workers, background workers and management commands. Changing that environment variable inside an already initialized Django process is not a reliable way to switch databases or environments. Use separate processes for separate configurations...