dockerfile_deploy_packages

# File railties/lib/rails/generators/app_base.rb, line 579
      def dockerfile_deploy_packages
        # Add curl to work with the default healthcheck strategy in Kamal
        packages = ["curl"]

        # ActiveRecord databases
        packages << deploy_package_for_database unless skip_active_record?

        # ActiveStorage preview support
        packages << "libvips" unless skip_active_storage?

        packages.compact.sort
      end