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Editorial Team
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Asked: 2026-05-20T23:54:10+00:00

Say I have a yml file for my rails configuration… settings.yml defaults: &defaults interceptor_email:

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Say I have a yml file for my rails configuration…

settings.yml

defaults: &defaults
  interceptor_email: robot@wearemanalive.com

development:
  <<: *defaults

test:
  <<: *defaults

production:
  <<: *defaults

and I want to have another yml file that is NOT included in version control that each developer maintains locally…

user_settings.yml

development:
  interceptor_email: userfoo@domain.com

How can I merge these keys? I am processing my yml files with esb, so that is also an option. Just having trouble figuring out how to do it. I have it setup so keys fallback to the defaults if a key is missing for my environments.

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1 Answer

  1. Editorial Team

    Can’t you read the two yml files separately?

    settings = YAML.load(path_to_settings)[RAILS_ENV].symbolize_keys
user_settings = YAML.load(path_to_user_settings)[RAILS_ENV].symbolize_keys
settings.merge!(user_settings)

    Now you should have the hash value of the settings, then you can merge the hash if you want. If the second hash has the same key as the first hash, the first one will be overwritten.

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