defaults: &defaults

  feature4a: true
  FEATURE1: true
  feature4: true
  feature3: false
  Feature2: true

development:
  <<: *defaults
  FEATURE1: true

  feature4a: true
  feature4: true
  feature3: false
  Feature2: true

test:
  <<: *defaults
  FEATURE1: true
  feature4: true

  feature4a: true
  feature3: false
  Feature2: true

staging:
  <<: *defaults
  FEATURE1: true
  feature4: true
  feature3: false

  feature4a: true
  Feature2: true

production:
  <<: *defaults
  FEATURE1: true
  feature4: true
  feature3: false
  Feature2: true

  feature4a: true