create-app-id-lane.rb

lane :create_app_id do
  Dir["../**/Produce.yml"].each do |file|
    UI.message("Processing config at path: #{file}")
    config = YAML.load_file(file)

    config["app_ids"].each do |app_id|
      produce(
        # Developer username and team ID.
        username: "myemail@apple.com",
        team_id: "MYTEAMID",

        # App details and capabilities read from `Produce.yml`.
        app_identifier: app_id["id"],
        app_name: app_id["name"],

        # Don't create new app entry in App Store Connect.
        skip_itc: true
      )
    end
  end
end