version: 2.1
workflows:
  version: 2
  devopsTP1:
    jobs:
      - build
      - docker-build-and-push:
          requires:
          - build

jobs:
  build:
    docker: &config
      - image: cimg/node:12.18.4
        auth:
          username: mydockerhub-user
          password: $DOCKERHUB_PASSWORD
    steps:
      - checkout
      - restore_cache:
          keys:
            - npm-v1-dependencies-{{ checksum "yarn.lock" }}
      - run: yarn install
      - save_cache:
          key: npm-v1-dependencies-{{ checksum "yarn.lock" }}
          paths:
            - ./node_modules
  docker-build-and-push:
    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 $DOCKER_HUB_USER_ID/devops-front-final:$CIRCLE_BUILD_NUM
            docker tag app $DOCKER_HUB_USER_ID/devops-front-final:latest
            docker push $DOCKER_HUB_USER_ID/devops-front-final:$CIRCLE_BUILD_NUM
            docker push $DOCKER_HUB_USER_ID/devops-front-final:latest