sudo: required
dist: trusty
language: ruby

rvm:
- "2.3.1"
- "2.4.3"
- "2.5.1"

services:
- docker

cache:
  bundler: true
  directories:
  - /var/lib/docker

script:
- bundle exec docker version
- bundle exec kitchen --version
- bundle exec rake spec
- bundle exec kitchen test -d always