version: 2
jobs:
  build:
    docker:
      - image: circleci/python:latest
    steps:
      - checkout
      - restore_cache:
          keys:
            - v3-dependencies-{{ checksum "requirements/dev.txt" }}-{{ checksum "requirements/prod.txt" }}
            - v3-dependencies-

      - run:
          name: Install Python deps in a venv
          command: |
            python3 -m venv venv
            . venv/bin/activate
            pip install -r requirements/dev.txt
          environment:
            CONDUIT_SECRET: 'something-really-secret'
            FLASK_APP: /home/circleci/repo/autoapp.py
            FLASK_DEBUG: 1
  
      - save_cache:
          paths:
            - venv
          key: v3-dependencies-{{ checksum "requirements/dev.txt" }}-{{ checksum "requirements/prod.txt" }}


  test:
    docker:
      - image: circleci/python:latest
       
      - image: circleci/postgres:9.6.9-alpine
        environment:
          POSTGRES_USER: myUser
          POSTGRES_PASSWORD: somePwd
          POSTGRES_BD: mydb
    steps:
      - checkout
      - restore_cache:
          keys:
            - v3-dependencies-{{ checksum "requirements/dev.txt" }}-{{ checksum "requirements/prod.txt" }}
            - v3-dependencies-

      - run:
          name: wait for postgres
          command: dockerize -wait tcp://localhost:5432 -timeout 1m
      
      - run:
          name: flask upgrade
          command: |
            . venv/bin/activate
            sleep 1
            flask db upgrade
        environment:
          CONDUIT_SECRET: 'something-really-secret'
          FLASK_APP: /home/circleci/repo/autoapp.py
          DATABASE_URL: postgresql://myUser:somePwd@localhost:5432/mydb
          FLASK_DEBUG: 1
          POSTGRES_USER: myUser
          POSTGRES_DB: mydb
          POSTGRES_PASSWORD: somePwd
          POSTGRES_PORT: 5432
          
            
      - run:
          name: flask test
          command: |
            . venv/bin/activate
            sleep 1
            flask db migrate
            flask test
        environment:
          CONDUIT_SECRET: 'something-really-secret'
          FLASK_APP: /home/circleci/repo/autoapp.py
          DATABASE_URL: postgresql://myUser:somePwd@localhost:5432/mydb
          FLASK_DEBUG: 1
          POSTGRES_USER: myUser
          POSTGRES_DB: mydb
          POSTGRES_PASSWORD: somePwd
          POSTGRES_PORT: 5432
          
      - save_cache:
          key: v3-dependencies-{{ checksum "requirements/dev.txt" }}-{{ checksum "requirements/prod.txt" }}
          paths:
            - venv
          
            
            
  deploy:
    docker:
      - image: buildpack-deps:trusty
    steps:
      - checkout
      - run: 
          name: heroku deploy
          command: |
            git push https://heroku:02467a97-3871-4afd-95ab-2b1a1c190165@git.heroku.com/warm-fortress-97103.git HEAD:main
            
            
   

  docker-build-and-push:
    docker:
      - image: docker:17.05.0-ce-git
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Build application Docker image
          command: |
            docker build --cache-from=app -t app .
      - deploy:
          name: Publish application to docker hub
          command: |
            docker login -e $DOCKER_HUB_EMAIL -u $DOCKER_HUB_USER_ID -p 'DOCKERPASSWORD'
            docker tag app $DOCKER_HUB_USER_ID/my-python-app:$CIRCLE_BUILD_NUM
            docker tag app $DOCKER_HUB_USER_ID/my-python-app:latest
            docker push $DOCKER_HUB_USER_ID/my-python-app:$CIRCLE_BUILD_NUM
            docker push $DOCKER_HUB_USER_ID/my-python-app:latest


            
workflows:
  version: 2
  build-deploy:
    jobs:
      - build
      - test:
          requires:
            - build
      - deploy:
          requires:
            - build
      - docker-build-and-push:
          context:
            - docker