version: 2.1
jobs:
  build:
    docker:
      - image: circleci/python:3.9-buster-node-browsers
    steps:
      - checkout
      - restore_cache:
          key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}
      - run:
          command: |
            python3 -m venv venv
            . venv/bin/activate
            pip install -r requirements/dev.txt
      - save_cache:
          key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}
          paths: 
            - "venv"
  test:
    docker: 
      - image: circleci/python:3.9-buster-node-browsers
        environment:
          DATABASE_URL: postgresql://myUsr:somePwd@localhost:5432/psdb
          FLASK_APP: autoapp.py
          CONDUIT_SECRET: 'something'
          FLASK_DEBUG: 1
      - image: circleci/postgres:9.6.2-alpine
        environment:
          POSTGRES_USER: myUsr
          POSTGRES_DB: psdb
          POSTGRES_PASSWORD: somePwd
    steps:
      - checkout
      - restore_cache:
          key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}
      - run: 
          name: Waiting for postgresql
          command : dockerize -wait tcp://localhost:5432 -timeout 1m
      - run:
          command: |
            . venv/bin/activate
            flask db upgrade
            flask test

  deploy_heroku:
      docker:
        - image: buildpack-deps:trusty
      steps:
        - checkout
        - run: 
            name: Heroku deploy
            command: |
              git config --global push.default matching
              git push https://heroku:$HEROKU_API_KEY@git.heroku.com/damp-taiga-40793.git main

  build_image:
    docker:
      - image: circleci/buildpack-deps:stretch
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Build Docker image
          command: docker build -t sukiadoramu/my-awesome-ci-expr:app .
      - run:
          name: Archive Docker image
          command: docker save -o image.tar sukiadoramu/my-awesome-ci-expr
      - persist_to_workspace:
          root: .
          paths:
            - ./image.tar

  publish_latest:
    docker:
      - image: circleci/buildpack-deps:stretch       
    steps:
      - attach_workspace:
          at: /tmp/workspace
      - setup_remote_docker
      - run:
          name: Load archived Docker image
          command: docker load -i /tmp/workspace/image.tar
      - run:
          name: Publish Docker Image to Docker Hub
          command: |
            echo "$DOCKERHUB_PASS" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
            docker tag sukiadoramu/devops-back:app sukiadoramu/devops-back:$CIRCLE_BUILD_NUM
            docker tag sukiadoramu/devops-back:app sukiadoramu/devops-back:latest
            docker push sukiadoramu/devops-back:latest
            docker push sukiadoramu/devops-back:$CIRCLE_BUILD_NUM
  


workflows:
  build_and_test:
    jobs:
      - build
      - build_image:
          requires:
            - build
      - publish_latest:
          requires:
            - build_image
          context: Docker
      - deploy_heroku:
          requires:
            - build