language: ruby
script: bundle exec rake
sudo: false
rvm:
  - 2.1
  - 2.2
  - 2.3
  - 2.4
  - 2.5
  - 2.6
  - 2.7
  - 3.0

  #- ruby-head
gemfile:
  - Gemfile
before_install:
  - gem update bundler