version: 2
jobs:
  build: &shared-config
    docker:
      - image: circleci/node:lts-fermium
    working_directory: ~/repo
    steps:
      - checkout
      - restore_cache:
          keys:
            - dependencies-{{ checksum "package.json" }}-v1
            - dependencies-
      - run: yarn install
      - save_cache:
          paths:
            - node_modules
          key: dependencies-{{ checksum "package.json" }}-v1

  testUnit:
    <<: *shared-config
    steps:
      - checkout
      - restore_cache:
          key: dependencies-{{ checksum "package.json" }}-v1
      - run: yarn test:unit

  docker-build-and-push:
    working_directory: /dockerapp
    docker:
      - image: docker:17.05.0-ce-git
    steps:
      - checkout
      - setup_remote_docker:
          version: 19.03.13
      - run:
          name: Build application Docker image
          command: docker build -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 $DOCKER_HUB_USER_ID/tp_final_backend_six:$CIRCLE_BUILD_NUM
            docker tag app $DOCKER_HUB_USER_ID/tp_final_backend_six:latest
            docker push $DOCKER_HUB_USER_ID/tp_final_backend_six:$CIRCLE_BUILD_NUM
            docker push $DOCKER_HUB_USER_ID/tp_final_backend_six:latest

workflows:
  version: 2
  build-test-and-lint:
    jobs:
      - build
      - testUnit:
          requires:
            - build
      - docker-build-and-push:
          requires:
            - build
            - testUnit
          filters:
            branches:
              only: main