version: 2 # use CircleCI 2.0
jobs: # A basic unit of work in a run
  build: # runs not using Workflows must have a `build` job as entry point 
    docker: # run the steps with Docker
      # CircleCI Python images available at: https://hub.docker.com/r/circleci/python/
      - image: circleci/python:3.7
        auth:
          username: $DOCKERHUB_USERNAME
          password: $DOCKER_HUB_PWD  # context / project UI env-var reference
        environment: # environment variables for primary container
          PIPENV_VENV_IN_PROJECT: true
          DATABASE_URL: postgresql://root@localhost/circle_test?sslmode=disable
      # CircleCI PostgreSQL images available at: https://hub.docker.com/r/circleci/postgres/
      - image: circleci/postgres:9.6.2
        auth:
          username: $DOCKERHUB_USERNAME
          password: $DOCKER_HUB_PWD  # context / project UI env-var reference
        environment: # environment variables for the Postgres container.
          POSTGRES_USER: root
          POSTGRES_DB: circle_test
    steps: # steps that comprise the `build` job
      - checkout # check out source code to working directory
      - run: sudo chown -R circleci:circleci /usr/local/bin
      - run: sudo chown -R circleci:circleci /usr/local/lib/python3.7/site-packages
      - restore_cache:
      # Read about caching dependencies: https://circleci.com/docs/2.0/caching/
          key: deps9-{{ .Branch }}-{{ checksum "Pipfile.lock" }}
      - run:
          command: |
            export CONDUIT_SECRET='something-really-secret'
            export FLASK_APP=/path/to/autoapp.py
            export FLASK_DEBUG=1
            sudo pip install pipenv
            pipenv lock
            pipenv install
            pip install -r requirements/dev.txt --user
      - save_cache: # cache Python dependencies using checksum of Pipfile as the cache-key
          key: deps9-{{ .Branch }}-{{ checksum "Pipfile.lock" }}
          paths:
            - "venv"
      - store_test_results: # Upload test results for display in Test Summary: https://circleci.com/docs/2.0/collect-test-data/
          path: test-results
      - store_artifacts: # Upload test summary for display in Artifacts: https://circleci.com/docs/2.0/artifacts/
          path: test-results
          destination: tr1 
  back-deploy-heroku:
    docker:
      - image: buildpack-deps:trusty
    steps:
      - checkout
      - run:
          name: Heroku Deploy
          command: echo $HEROKUFINALTP
            git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKUFINALTP.git main
      - run:
          name: Smoke Test
          command: |
            HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKUFINALTP.herokuapp.com/`
            if [ "$HTTPCODE" -ne 200 ];then
                echo "heroku app not responding, failing deploy"
                exit 1
            fi
workflows:
  version: 2
  build-and-deploy:
    jobs:
      - build
      - back-deploy-heroku:
          requires:
            - build