config.yml

version: 2
jobs:
  test:
    working_directory: ~/app
    docker:
      - image: circleci/node:latest # (1)
    steps:
      - checkout
      - run:
          name: Update npm
          command: 'sudo npm install -g npm@latest'
      - restore_cache: # (2)
          key: dependency-cache-{{ checksum "package-lock.json" }}
      - run:
          name: Install npm dependencies
          command: npm install
      - save_cache: 
          key: dependency-cache-{{ checksum "package-lock.json" }}
          paths:
            - ./node_modules
      - run:
          name: Run tests # (3)
          command: 'npm run test'
  docker-deploy-image:
    working_directory: ~/app
    machine:
      docker_layer_caching: true # (4)
    steps:
      - checkout
      - run: | # (5)  
          docker build -t andrewbestbier/ci-comparison-blog .  
          docker login -u $DOCKER_USER -p $DOCKER_PASS
          docker push andrewbestbier/ci-comparison-blog
  deploy-aws:
    working_directory: ~/app
    docker:
      - image: circleci/python:latest
    steps:
      - checkout
      - run: # (6)
          name: Installing deployment dependencies
          working_directory: /
          command: 'sudo pip install awsebcli --upgrade'
      - run: # (7)
          name: Deploying application to Elastic Beanstalk
          command: eb deploy
workflows:
  version: 2
  build-test-and-deploy:
    jobs:
      - test
      - docker-deploy-image:
          requires:
            - test
      - deploy-aws:
          requires:
            - docker-deploy-image