version: 2.1
jobs:
  build:
    docker: &shared_docker
      - image: circleci/node:12
    steps:
      - checkout
      - restore_cache:
          keys:
            - npm-v2-dependencies-{{ checksum "yarn.lock" }}
      - run: yarn install
      - save_cache:
          paths:
            - ./node_modules
          key: npm-v2-dependencies-{{ checksum "yarn.lock" }}

  deploy:
    docker:
      - image: docker:17.05.0-ce-git
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Build application Docker image
          command: |
            docker build --cache-from=app -t app .
      - deploy:
          name: Publish application to docker hub
          command: |
            docker login -e $DOCKER_HUB_EMAIL -u $DOCKER_HUB_USER_ID -p $DOCKER_HUB_PWD
            docker tag app $DOCKER_HUB_USER_ID/devops-final-front:$CIRCLE_BUILD_NUM
            docker tag app $DOCKER_HUB_USER_ID/devops-final-front:latest
            docker push $DOCKER_HUB_USER_ID/devops-final-front:$CIRCLE_BUILD_NUM
            docker push $DOCKER_HUB_USER_ID/devops-final-front:latest
workflows:
  version: 2
  mybuild:
    jobs:
      - build
      - deploy:
          requires:
            - build