1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20220818095225_add_max_pages_custom_domains_per_project.rb b/db/migrate/20220818095225_add_max_pages_custom_domains_per_project.rb
new file mode 100644
index 00000000000..c5e1f5aede6
--- /dev/null
+++ b/db/migrate/20220818095225_add_max_pages_custom_domains_per_project.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class AddMaxPagesCustomDomainsPerProject < Gitlab::Database::Migration[2.0]
+  disable_ddl_transaction!
+
+  CONSTRAINT_NAME = "app_settings_max_pages_custom_domains_per_project_check"
+
+  def up
+    return if column_exists?(:application_settings, :max_pages_custom_domains_per_project)
+
+    add_column :application_settings, :max_pages_custom_domains_per_project, :integer, null: false, default: 0
+    add_check_constraint :application_settings, "max_pages_custom_domains_per_project >= 0", CONSTRAINT_NAME
+  end
+
+  def down
+    return unless column_exists?(:application_settings, :max_pages_custom_domains_per_project)
+
+    remove_column :application_settings, :max_pages_custom_domains_per_project
+  end
+end