Fastlane.rb

platform :ios do
  desc "Setup keychain"
  lane :setup_keychain do
    delete_keychain(
  name: keychain-name
) if File.exist? File.expand_path("~/Library/Keychains/keychain-name-db")

create_keychain(
  name: keychain-name,
  password: keychain-password,
  default_keychain: true,
  unlock: true,
  timeout: 3600
)
  end
  
  
  desc "Build and publish to testflight"
  lane :build_and_publish_ios do
    api_key = app_store_connect_api_key(
  key_id: ENV['APPSTORE_KEY_ID'], 
  issuer_id: ENV['APPSTORE_ISSUER_ID'],  
  key_filepath: ENV['APPSTORE_KEY_PATH'],  
  in_house: false
)

match(
  type: "appstore", 
  app_identifier: 'com.example',
  verbose: true,
  api_key: api_key,
  keychain_name: keychain-name,
  keychain_password: keychain-password
)

version = get_version_number(
  xcodeproj: "ios/ExampleApp.xcodeproj", 
  target: "exampleApp" 
 )

current_build_number = latest_testflight_build_number(version: version, api_key: api_key, app_identifier: "com.exmaple")

increment_build_number(
  xcodeproj: "ios/exampleApp.xcodeproj",
  build_number: current_build_number + 1
 )
 
  build_app(
   scheme: "exampleApp",
   workspace: "ios/exampleApp.xcworkspace",
   export_method: "app-store",
   clean: true,
   verbose: true,
     export_options: {
       export_method: "app-store",
       team_id: '123TEAM_ID',
     }
 )
 
 upload_to_testflight(
  skip_waiting_for_build_processing: true,
  api_key: api_key,
  changelog: "New Build"
)
  end
end