globals:
  images:
    node: &node cimg/node:lts
    postgres: &postgres circleci/postgres:9.6.5



version: 2
jobs:
  build: &shared-config
    docker:
      - image: *node
    working_directory: ~/app
    steps:
      - checkout
      - restore_cache:
          keys:
            - dependencies-{{ checksum "package.json" }}
            # fallback to using the latest cache if no exact match is found
            - dependencies-
      - run: yarn install
      - save_cache:
          paths:
            - node_modules
          key: dependencies-{{ checksum "package.json" }}
  test:
    <<: *shared-config
    steps:
      - checkout
      - restore_cache:
          key: dependencies-{{ checksum "package.json" }}
      - run: yarn test

  test-e2e:
    docker:
      - image: *node
      - image: *postgres
        environment:
          POSTGRES_DB: postgres
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
    steps:
      - checkout
      - restore_cache:
          keys:
            - dependencies-{{ checksum "package.json" }}
      - run:
          command: yarn test:e2e
          environment:
            DATABASE_URL: postgres://postgres:postgres@localhost:5432/postgres



workflows:
  version: 2
  build-test-and-lint:
    jobs:
      - build
      - test:
          requires:
            - build
      - test-e2e:
          requires:
            - build