yml for android with circleci 2.0

config.local.yml

version: 2
jobs:
  android:
    working_directory: ~/project
 
    docker:
      - image: circleci/android:api-27-node8-alpha
 
    steps:
      - checkout:
          path: ~/project
      - attach_workspace:
          at: ~/project
      - run:
          name: Set Ruby Version
          command:  echo "ruby-2.4" > ~/.ruby-version
      - run: cd android && bundle install
      - run: cd android && bundle exec fastlane beta
      - persist_to_workspace:
          root: ~/project
          paths:
            - node_modules