potiuk edited a comment on pull request #16754:
URL: https://github.com/apache/airflow/pull/16754#issuecomment-882102892


   > Edit: I thought you meant fernet key by secret key. I understood that you 
actually meant AIRFLOW__WEBSERVER__SECRET_KEY. It's kind of tough to understand 
which components need the same configuration.
   
   All components of Airflow needs exactly the same configuration. FULL 
CONFIGURATION. Correct me please, if I am wrong but nowhere in documentation it 
is stated otherwise. This is the default mode for Airflow and it's always been 
like that.
   
   I think it is pretty brave (and completely unnecessary) to decide on having 
some parts of configuration available here and unavailable there without fully 
realising the consequences. 
   
   By default you should have:
   
   * the same images for all airflow components
   * the same dependencies for all Airflow components
   * the same configuration for all Airlfow components
   
   If you try to approach it differently, you might hit all kinds of problems 
and unless you exactly know what you are doing, you should avoid it (and even 
that you open-up to future changes that might - like in this case - base on the 
assumptions that your configuration is the same for all components.
   
   Just wondering @tunix  - where the idea that different components should 
have different configuration came from? Is this something implied? Or something 
that you found in the documentation? Should we make it very explicit in our 
documentation that you are not supposed to selectively set some configuration 
parameters on some components only?
   


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