version: 2.1
workflows:
  build_and_test:
    jobs:
      - build
      - test:
          requires:
            - build
      - build_docker:
          requires:
            - test
          filters:
            branches:
                only:
                    - main
      - publish_image:
          requires:
            - build_docker
          filters:
            branches:
                only:
                    - main
      - build_docs_artifact:
          requires:
            - test
          filters:
            branches:
                only:
                    - main
jobs:
    build:
        docker:
            - image: cimg/node:12.18.4
        steps:
            - checkout
            - restore_cache:
                key: yarn-packages-v2{{ checksum "yarn.lock" }}
            - run: yarn global add node-gyp && yarn install
            - save_cache:
                key: yarn-packages-v2{{ checksum "yarn.lock" }}
                paths:
                    - ./node_modules
    test:
        docker:
            - image: cimg/node:12.18.4
        steps:
            - checkout
            - restore_cache:
                key: yarn-packages-v2{{ checksum "yarn.lock" }}
            - run : yarn test
    build_docker:
        environment:
            IMAGE_NAME: 698148/my-awesome-project
        docker:
            - image: circleci/buildpack-deps:stretch
        steps: 
            - checkout
            - setup_remote_docker
            - run: docker image build --tag $IMAGE_NAME:app .
            - run: docker save -o image.tar $IMAGE_NAME
            - persist_to_workspace:
                root: .
                paths:
                    - ./image.tar         
    publish_image:
        environment:
            IMAGE_NAME: 698148/my-awesome-project
        docker:
            - image: circleci/buildpack-deps:stretch
        steps:
            - attach_workspace:
                at: /tmp/workspace
            - setup_remote_docker
            - run: docker load -i /tmp/workspace/image.tar
            - run: 
                name: Login and Publish to Docker Hub
                command: |
                    echo "$DOCKERHUB_PASS" | docker login --username 698148 --password-stdin 
                    docker tag $IMAGE_NAME:app $IMAGE_NAME:$CIRCLE_BUILD_NUM
                    docker tag $IMAGE_NAME:app $IMAGE_NAME:latest
                    docker push $IMAGE_NAME:$CIRCLE_BUILD_NUM
                    docker push $IMAGE_NAME:latest
    deploy:
        docker:
            - image: cimg/node:12.18.4
        steps:
            - checkout
            - attach_workspace:
                at: ./
            - <<: *restore_cache
            - <<: *install_node_modules
            - run:
                name: Install netlify-cli
                command: sudo npm install -g --silent netlify-cli
            - run: 
                name: Deploy to Netlify
                command: netlify deploy --dir=./public -p
    build_docs_artifact:
        docker: 
            - image: cimg/node:12.18.4
        steps: 
            - checkout
            - restore_cache:
                key: yarn-packages-v2{{ checksum "yarn.lock" }}
            - run: ls
            - store_artifacts:
                path: doc-server
                destination: doc-server