now zeit circleci deployment

config.yml

version: 2
jobs:
  build:
    docker:
      - image: 'circleci/node:9.7.1'
    branches:
        only:
            - master
    steps:
      - checkout
      - restore_cache:
          key: 'dependency-cache-{{ checksum "package.json" }}'
      - run:
          name: install
          command: npm install
      - save_cache:
          key: 'dependency-cache-{{ checksum "./package.json" }}'
          paths:
            - ./node_modules
      - deploy:
          name: Deploy
          command: npm run deploy
      - deploy:
          name: Alias
          command: npm run alias

"scripts": {
"deploy": "./node_modules/.bin/now -e NODE_ENV=production --token $NOW_TOKEN --npm",
"alias": "./node_modules/.bin/now alias --token=$NOW_TOKEN"
},