instance method secrets

# File railties/lib/rails/application.rb, line 443
    def secrets
      Rails.deprecator.warn(<<~MSG.squish)
        `Rails.application.secrets` is deprecated in favor of `Rails.application.credentials` and will be removed in Rails 7.2.
      MSG
      @secrets ||= begin
        secrets = ActiveSupport::OrderedOptions.new
        files = config.paths["config/secrets"].existent
        files = files.reject { |path| path.end_with?(".enc") } unless config.read_encrypted_secrets
        secrets.merge! Rails::Secrets.parse(files, env: Rails.env)

        # Fallback to config.secret_key_base if secrets.secret_key_base isn't set
        secrets.secret_key_base ||= config.secret_key_base

        secrets
      end
    end