config.yml

version: 2
jobs:
  build:
    docker:
    - image: cypress/base:10
      environment:
          ## this enables colors in the output
        TERM: xterm
      auth:
        username: $DOCKER_HUB_USERNAME
        password: $DOCKER_HUB_PASSWORD
    steps:
    - checkout
    - restore_cache:   # special step to restore the dependency cache
        key: dependency-cache-{{ checksum "yarn.lock" }}
    - run:
        name: Setup Dependencies
        command: yarn install --frozen-lockfile
    - save_cache:   # special step to save the dependency cache
        key: dependency-cache-{{ checksum "yarn.lock" }}
        paths:
        - ~/.cache     ## cache both yarn and Cypress
    - run:
        name: Run linting
        command: |
          yarn lint
    - run:
        name: Run unit tests
        command: |
          yarn unit
    - run:   # run coveralls
        name: Run e2e tests
        command: |
          yarn e2e:ci