version: 2.1
workflows:
  version: 2.1
  build_circleci:
    jobs:
      - build
      - initialise:
          requires:
            - build
      - docker-build-and-push:
          requires:
            - initialise
      - back-deploy-heroku:
          requires:
            - docker-build-and-push
jobs:
  build:
    docker:
      - image: circleci/python:3.6.2-stretch-browsers
    steps:
      - checkout
      - run:
          name: install pyth dependencies
          command: |
            python3 -m venv venv
            . venv/bin/activate
            pip3 install -r requirements/dev.txt
      - save_cache:
          paths:
            - ./venv
          key: v2-dependencies-{{ checksum "requirements/dev.txt" }}
  initialise:
    docker:
      - image: circleci/python:3.6.2-stretch-browsers
        environment:
          DATABASE_URL: postgresql://myuser:somePwd@localhost:5432/myuser
      - image: circleci/postgres:9.6.5
        environment:
          POSTGRES_DB: myuser
          POSTGRES_USER: myuser
          POSTGRES_PASSWORD: somePwd
    steps:
      - checkout
      - restore_cache:
          keys:
            - v2-dependencies-{{ checksum "requirements/dev.txt" }}
            - v2-dependencies-
      - run:
          name: flask upgrade
          command: |
            . venv/bin/activate
            sleep 1
            flask db upgrade
      - run:
          name: flask test
          command: |
            . venv/bin/activate
            sleep 1
            flask test