workflows:
  version: 2
  build_test_deploy:
    jobs:
      - test
      - publish_latest:
          context: docker-hub
          requires:
            - test
          filters:
             branches:
               only: 
                 - master

version: 2
jobs:
  test:
    docker:
      - image: circleci/python:2-jessie
    steps:
      - checkout

      - setup_remote_docker:   # (2)
          docker_layer_caching: true # (3)
      - run:
          name: Install goss
          command: |
            # rather than give internet scripts SU rights, we install to local user bin and add to path
            mkdir ~/bin
            export GOSS_DST=~/bin
            export PATH=$PATH:~/bin
            curl -fsSL https://goss.rocks/install | sh
            goss -version
      - run:
          name: Test
          command: |
            # Don't forget path!
            export PATH=$PATH:~/bin
            # Important, change from mount to work on remote docker, see https://github.com/aelsabbahy/goss/pull/271
            # If using machine image you do not need this.
            export GOSS_FILES_STRATEGY=cp
            ./run-tests.sh circleci keepimage
      - run:
          name: Save docker image
          command: |
            mkdir -p workspace
            docker save -o workspace/lancachenet-monolithic.tar lancachenet/monolithic:goss-test
      - persist_to_workspace:
          root: workspace
          paths:
            lancachenet-monolithic.tar
      - store_test_results:
          path: reports
      - store_artifacts:
          path: reports
          destination: reports
  publish_latest:
    docker:
      - image: circleci/python:2-jessie
    steps:
      - setup_remote_docker:   # (2)
          docker_layer_caching: true # (3)
      - attach_workspace:
          at: /tmp/workspace
      - run:
          name: "Deploy latest to docker hub"
          command: |
            docker login -u $DOCKER_USER -p $DOCKER_PASS
            docker load -i /tmp/workspace/lancachenet-monolithic.tar
            docker tag lancachenet/monolithic:goss-test lancachenet/monolithic:latest
            docker push lancachenet/monolithic:latest