In config/secrets.yml
development:
stripe_publishable_key: pk_test_xxxxxxxxxxxxxxxxxxxxxxxx
stripe_secret_key: sk_test_xxxxxxxxxxxxxxxxxxxxxxxx
In config/initializers/stripe.rb
Rails.configuration.stripe = {
:publishable_key => Rails.application.secrets.stripe_publishable_key,
:secret_key => Rails.application.secrets.stripe_secret_key
}
Usage:
Stripe.api_key = Rails.application.secrets.stripe_secret_key