version: 2.1
workflows:
  workflow1:
    jobs:
      - hello1
  workflow2:
    jobs:
      - yarn1
      - lint1:
          requires:
            - yarn1
      - test1:
          requires:
            - yarn1
      - database1:
          requires:
            - yarn1
      - build:
          requires:
            - lint1
            - test1
          filters:
            branches:
              only: main
      - deploy:
          requires:
            - build
variables:

executors:
  docker-publisher:
    environment:
      IMAGE_NAME: johanngif/my-awesome-ci-expr
    docker:
      - image: circleci/buildpack-deps:stretch

jobs:
  hello1:
    docker:
      - image: 'circleci/node:12'
    steps:
      - checkout
      - run:
          command: 'echo ok'
          name: 'Hello World'

  yarn1:
    docker:
      - image: 'circleci/node:12'
    steps:
      - checkout
      - restore_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
      - run: yarn global add node-gyp && yarn install
      - save_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
          paths:
            - ./node_modules

  lint1:
    docker:
      - image: 'circleci/node:12'
    steps:
      - checkout
      - restore_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
      - run: yarn lint && yarn format:check

  test1:
    docker:
      - image: 'circleci/node:12'
    steps:
      - checkout
      - restore_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
      - run: yarn test:ci

  database1:
    docker:
      - image: 'circleci/node:12'
        environment:
          DATABASE_URL: postgres://psqluer:psqlpassword@localhost:5432/psdb
          JWT_SECRET: some string you want
          API_PORT: 3000
          API_HOST: localhost
          API_PROTOCOL: http
      - image: 'circleci/postgres:9.6.2-alpine'
        environment:
          POSTGRES_USER: psqluer
          POSTGRES_PASSWORD: psqlpassword
          POSTGRES_DB: psdb
    steps:
      - checkout
      - restore_cache:
          key: yarn-v1-packages-{{ checksum "yarn.lock" }}
      - run: yarn test:e2e

  build:
    executor: docker-publisher
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Build Docker image
          command: |
            docker build -t $IMAGE_NAME:latest .
      - run:
          name: Archive Docker image
          command: docker save -o image.tar $IMAGE_NAME
      - persist_to_workspace:
          root: .
          paths:
            - ./image.tar

  deploy:
    executor: docker-publisher
    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 "$DOCKERHUB_PASSWORD" | docker login --username "$DOCKERHUB_USERNAME" --password-stdin
            #IMAGE_TAG=${CIRCLE_TAG/v/''}
            IMAGE_TAG=$CIRCLE_BUILD_NUM
            docker tag $IMAGE_NAME:latest $IMAGE_NAME:$IMAGE_TAG
            docker push $IMAGE_NAME:latest
            docker push $IMAGE_NAME:$IMAGE_TAG