language: ruby
sudo: false
cache: bundler
services:
  - redis-server
before_install:
  - gem install bundler -v '< 2'
gemfile:
  - gemfiles/rails_4.gemfile
  - gemfiles/rails_5.gemfile
bundler_args: --without development load_test
rvm:
  - 2.3.7
  - 2.4.4
  - 2.5.1
  - 2.6.0
  - jruby