tareksamni/primes

defaults: &defaults
  working_directory: /app
  docker:
    - image: docker:latest

version: 2
jobs:
  build:
    <<: *defaults
    steps:
      - checkout
      - setup_remote_docker:
          docker_layer_caching: true
      - run:
          name: Login to docker hub
          command: docker login -u $DOCKER_USER -p $DOCKER_PASS
      - run:
          name: Build docker image
          command: docker build -t "tareksamni/primes:${CIRCLE_SHA1}" .
      - run:
          name: Create docker-image cache dir
          command: mkdir -p /app/docker-image
      - run:
          name: Cache built docker image
          command: docker image save --output "docker-image/${CIRCLE_SHA1}" "tareksamni/primes:${CIRCLE_SHA1}"
      - persist_to_workspace:
          root: docker-image
          paths:
            - "*"
  lint:
    <<: *defaults
    steps:
      - attach_workspace:
          at: workspace
      - setup_remote_docker:
          docker_layer_caching: true
      - run:
          name: Login to docker hub
          command: docker login -u $DOCKER_USER -p $DOCKER_PASS
      - run:
          name: Load previously built docker image
          command: docker image load --input "workspace/${CIRCLE_SHA1}"
      - run:
          name: Rubocop
          command: docker run tareksamni/primes:${CIRCLE_SHA1} rubocop
  test:
    <<: *defaults
    steps:
    - attach_workspace:
        at: workspace
    - setup_remote_docker:
        docker_layer_caching: true
    - run:
        name: Login to docker hub
        command: docker login -u $DOCKER_USER -p $DOCKER_PASS
    - run:
        name: Load previously built docker image
        command: docker image load --input "workspace/${CIRCLE_SHA1}"
    - run:
        name: Run Rspecs
        command: >
            docker run
            --env CIRCLECI=${CIRCLECI}
            --env CODECLIMATE_REPO_TOKEN=$CODECLIMATE_REPO_TOKEN
            --env CIRCLE_BRANCH=${CIRCLE_BRANCH}
            tareksamni/primes:${CIRCLE_SHA1}
            /bin/bash -c "bundle exec rspec && bundle exec codeclimate-test-reporter"
  docker_push:
    <<: *defaults
    steps:
      - attach_workspace:
          at: workspace
      - setup_remote_docker:
          docker_layer_caching: true
      - run:
          name: Login to docker hub
          command: docker login -u $DOCKER_USER -p $DOCKER_PASS
      - run:
          name: Load previously built docker image
          command: docker image load --input "workspace/${CIRCLE_SHA1}"
      - run:
          name: Push docker image
          command: docker push "tareksamni/primes:${CIRCLE_SHA1}"

workflows:
  version: 2
  build_and_push_docker_image:
    jobs:
      - build
      - lint:
          requires:
              - build
      - test:
          requires:
              - lint
              - build
      - docker_push:
          requires:
            - build
            - lint
            - test