Add default values for wildcard and domain_type

app/models/pages_domain.rb

@@ -26,6 +26,8 @@ class PagesDomain < ApplicationRecord
   validate :validate_intermediates, if: ->(domain) { domain.certificate.present? && domain.certificate_changed? }
 
   default_value_for(:auto_ssl_enabled, allow_nil: false) { ::Gitlab::LetsEncrypt.enabled? }
+  default_value_for :domain_type, allow_nil: false, value: :project
+  default_value_for :wildcard, allow_nil: false, value: false
 
   attr_encrypted :key,
     mode: :per_attribute_iv_and_salt,

spec/models/pages_domain_spec.rb

@@ -175,6 +175,16 @@ describe PagesDomain do
     it { is_expected.to validate_presence_of(:verification_code) }
   end
 
+  describe 'default values' do
+    it 'defaults wildcard to false' do
+      expect(subject.wildcard).to eq(false)
+    end
+
+    it 'defaults domain_type to project' do
+      expect(subject.domain_type).to eq('project')
+    end
+  end
+
   describe '#verification_code' do
     subject { pages_domain.verification_code }