mitek.rb

conf = YAML.load_file('config/mitek.yml')

Bikelink::Application.config.mitek = OpenStruct.new(conf[Rails.env])

mitek.yml

development:  &development
  token_url: 'https://identity.us.sandbox.mitekcloud.com/connect/token'
  data_url: 'https://globalidentity.us.sandbox.mitekcloud.com/api/Verify/v2/Dossier'
  user: 'xxxx.sandbox.test'
  password: 'xxxxxxx'

test:
  <<: *development

production:
  token_url: 'https://xxxxx.mitekcloud.com/....'
  data_url: 'https://xxxxx.mitekcloud.com/....'
  user: 'xxxxxxxx'
  password: 'xxxxxxxxxxx'

config/initializers/mitek.rb
config/mitek.yml

Bikelink::Application.config.mitek.user / password / token_url / data_url