language: ruby
sudo: false
cache: bundler
script: "bundle exec rake"
install: "bundle install --jobs=3 --retry=3"

env:
  - DATABASE_ADAPTER=sqlite3
  - DATABASE_ADAPTER=postgresql

rvm:
  - 2.4.2
  - 2.3.5
  - 2.2.8

gemfile:
  - gemfiles/4.2.gemfile
  - gemfiles/5.0.gemfile
  - gemfiles/5.1.gemfile