Magento 2 Modes and its Purposes

Magento 2 can be configured to run in 3 modes, Default, Developer and Production.

Default Mode:

As its name implies, default mode is how Magento operates if no other mode is specified. Default mode enables you to deploy the Magento application on a single server without changing any settings. However, default mode is not as optimized for production as is production mode.

Developer Mode:

Enable Developer mode only when you are extending or customizing your Magento store.

In developer mode:

  • Static view files are not cached; they are written to the Magento pub/static directory every time they’re called
  • Uncaught exceptions display in the browser
  • System logging in var/report is verbose
  • An exception is thrown in the error handler, rather than being logged
  • An exception is thrown when an event subscriber cannot be invoked

Production Mode:

Put your Magento store in Production mode after all development is done and store ready is open for end customers.

In production mode:

  • Static view files are not materialized, and URLs for them are composed on the fly. Static view files are served from the cache only.
  • Errors are logged to the file system and are never displayed to the user.
  • You can enable and disable cache types only using the command line.

There is another mode in Magento 2 which is Maintenance mode and used when making any changes in live store front.

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