message: build using node 8 and 10
diff: sudo: required
  language: node_js
  node_js:
  - - "9"
  + - "10"
  + - "8"
  services:
  - docker
  before_install:
  - docker-compose up -d
  install:
  - - yarn
  + - yarn --ignore-engines
  - yarn build:runner
  - yarn build:selianize
  - yarn build:runner:examples
  