Bug fix with flask, mysql and tox

doc.md

• Fix mysqlclient:
• Check brew info openssl

sample_circleci_config.yml

version: 2
jobs:
  build_and_test_docker_compose:
    docker:
      - image: circleci/cci-demo-docker-primary:0.0.2
    working_directory: ~/reap
    environment:
      TEST_RESULTS: /tmp/test-results
    steps:
      - checkout
      - run: mkdir -p $TEST_RESULTS
      - setup_remote_docker
      - run:
          name: Install Docker client
          command: |
            set -x
            VER="17.03.0-ce"
            curl -L -o /tmp/docker-$VER.tgz https://get.docker.com/builds/Linux/x86_64/docker-$VER.tgz
            tar -xz -C /tmp -f /tmp/docker-$VER.tgz
            mv /tmp/docker/* /usr/bin
      - run:
          name: Install Docker Compose
          command: |
            set -x
            curl -L https://github.com/docker/compose/releases/download/1.11.2/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
            chmod +x /usr/local/bin/docker-compose
      - run:
          name: Build service
          command: make
      - run:
          name: Start container and run tests
          command: |
            set -x
            docker-compose -f docker-compose.test.yml up --abort-on-container-exit
  deploy_frontend_production:
    docker:
      - image: circleci/node:8.10.0
    steps:
      - checkout
      - run:
          name: Install AWS Cli
          command: |
            sudo apt-get install python-dev python-pip
            sudo pip install awscli
      - run:
          name: Deploy production build to AWS
          command: |
            set -x
            cd frontend && yarn && yarn deploy:prod
  deploy_backend_production:
    docker:
      - image: circleci/node:8.10.0
    steps:
      - checkout
      - run:
          name: Installing deployment dependencies
          working_directory: /
          command: |
            sudo apt-get -y -qq update
            sudo apt-get install python-pip python-dev build-essential
            sudo pip install awsebcli --upgrade
      - run:
          name: Deploy backend production build to ElasticBeanstalk
          command: |
            set -x
            cd backend && eb deploy production
  deploy_frontend_staging:
    docker:
      - image: circleci/node:8.10.0
    steps:
      - checkout
      - run:
          name: Install AWS Cli
          command: |
            sudo apt-get install python-dev python-pip
            sudo pip install awscli
      - run:
          name: Deploy frontend staging build to AWS
          command: |
            set -x
            cd frontend && yarn && yarn deploy:staging
  deploy_backend_staging:
    docker:
      - image: circleci/node:8.10.0
    steps:
      - checkout
      - run:
          name: Installing deployment dependencies
          working_directory: /
          command: |
            sudo apt-get -y -qq update
            sudo apt-get install python-pip python-dev build-essential
            sudo pip install awsebcli --upgrade
      - run:
          name: Deploy backend staging build to ElasticBeanstalk
          command: |
            set -x
            cd backend && eb deploy staging
  test_frontend:
    docker:
      - image: circleci/node:8.10.0
    steps:
      - checkout
      - run:
          name: Run tests frontend
          command: |
            set -x
            cd frontend && yarn && yarn test
  test_backend:
    docker:
      - image: circleci/python:3.6.4
        environment:
          PIPENV_VENV_IN_PROJECT: true
      - image: circleci/mysql:5.6
        environment:
          MYSQL_DATABASE: circle_test
    steps:
      - checkout
      - run: sudo chown -R circleci:circleci /usr/local/bin
      - run: sudo chown -R circleci:circleci /usr/local/lib/python3.6/site-packages
      - restore_cache:  # ensure this step occurs *before* installing dependencies
          key: deps9-{{ .Branch }}-{{ checksum "backend/Pipfile.lock" }}
      - run:
          command: |
            sudo pip install pipenv
            pipenv install
      - save_cache:
          key: deps9-{{ .Branch }}-{{ checksum "backend/Pipfile.lock" }}
          paths:
            - ".venv"
            - "/usr/local/bin"
            - "/usr/local/lib/python3.6/site-packages"
      - run:
          name: Installing testing dependencies
          command: |
            sudo apt-get -y -qq update
            sudo apt install -y mysql-client
            pip install --upgrade tox
      - run:
          name: Wait for MySQL to be ready
          command: dockerize -wait tcp://127.0.0.1:3306 -timeout 120s
      - run:
          name: Create user 'circleci' in MySQL
          command: mysql --host 127.0.0.1 --user root -e "CREATE USER 'circleci'@'127.0.0.1'; GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,INDEX ON *.* TO 'circleci'@'127.0.0.1'; FLUSH PRIVILEGES;"
      - run:
          name: Run tests backend
          command: |
            set -x
            cd backend && tox
      - store_test_results:
          path: test-results
      - store_artifacts:
          path: test-results
          destination: tr1
workflows:
  version: 2
  buid_test_and_deploy:
    jobs:
      - build_and_test_docker_compose
      - test_frontend
      - test_backend
      - deploy_frontend_staging:
          filters:
            branches:
              only:
                - develop
          requires:
            - build_and_test_docker_compose
            - test_frontend
      - deploy_backend_staging:
          filters:
            branches:
              only:
                - develop
          requires:
            - build_and_test_docker_compose
            - test_frontend
      - deploy_frontend_production:
          filters:
            branches:
              only:
                - deploy
          requires:
            - build_and_test_docker_compose
            - test_frontend
      - deploy_backend_production:
          filters:
            branches:
              only:
                - deploy
          requires:
            - build_and_test_docker_compose
            - test_frontend