--- 
jobs: 
  build: 
    docker: 
      - auth: 
          password: $DOCKERHUB_PASSWORD
          username: xaela37
        image: circleci/node:lts-fermium
    working_directory: ~/repo
    steps:
      - checkout
      - restore_cache:
          keys:
            - dependencies-{{ checksum "package.json" }}-v1
            - dependencies-
      - run: yarn install
      - save_cache:
          paths:
            - node_modules
          key: dependencies-{{ checksum "package.json" }}-v1
          
  test_unit:
    docker: 
      - auth:
          password: $DOCKERHUB_PASSWORD
          username: xaela37
        image: circleci/node:lts-fermium
        working_directory: ~/repo
        DATABASE_URL: postgres://pguser:pass@localhost:5432/pgdb
    steps:
      - checkout
      - restore_cache:
          key: dependencies-{{ checksum "package.json" }}-v1
      - run:
          command: yarn test
          
  end_to_end: 
    docker: 
      - auth: 
          password: $DOCKERHUB_PASSWORD
          username: xaela37
        image: circleci/node:lts-fermium
      - auth: 
          password: $DOCKERHUB_PASSWORD
          username: xaela37
        environment: 
          POSTGRES_DB: pgdb
          POSTGRES_PASSWORD: pass
          POSTGRES_USER: pguser
        image: "circleci/postgres:9.6.2-alpine"
    steps: 
      - checkout
      - restore_cache: 
          keys: 
            - "npm-v1-dependencies-{{ checksum \"yarn.lock\" }}"
      - run: 
          command: "yarn test:e2e"
          environment: 
            DATABASE_URL: "postgres://pguser:pass@localhost:5432/pgdb"
          name: "yarn test"
  lint: 
    docker: 
      - auth: 
          password: $DOCKERHUB_PASSWORD
          username: xaela37
        image: "cimg/node:14.15.0"
    steps: 
      - checkout
      - restore_cache: 
          key: "npm-v1-dependencies-{{ checksum \"yarn.lock\" }}"
      - run: 
          command: |-
              yarn lint
              yarn format:check
          name: "step lint"
  
  heroku_deploy: 
    docker: 
      - image: buildpack-deps:trusty
    steps:
      - checkout
      - run:
          name: Heroku Deploy
          command: git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git HEAD:main 
      - run:
          name: Smoke Test
          command: |
            HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://backend-final-devops.herokuapp.com/`
            if [ "$HTTPCODE" -ne 200 ];then
                echo "heroku app not responding, failing deploy"
                exit 1
            fi

version: 2
workflows: 
  my_workflow: 
    jobs: 
      - build
      - test_unit
      - end_to_end: 
          requires: 
            - build
      - lint: 
          requires: 
            - build
      - heroku_deploy: 
          requires: 
            - build
            - test_unit
            - end_to_end
            - lint
  version: 2