image: node:12

cache: &global_cache
  key: ${CI_COMMIT_SHA}_node_modules
  untracked: true
  paths:
    - node_modules/
  policy: pull-push


stages:
  - prepare
  - build
  - deploy

install_dependencies:
  stage: prepare
  script:
    - yarn install 
  cache:
    <<: *global_cache

.build_job:
  stage: build
  script:
    - echo "build"
    - yarn build
  artifacts:
    paths:
      - build/
    untracked: false
    expire_in: 30 days

build_1:
  extends: .build_job

build_2:
  extends: .build_job