language: ruby
services:
  - redis-server
rvm:
  - 2.1
  - 2.2
  - 2.3
  - 2.4
  - 2.5.3
  - 2.6.0
gemfile:
  - gemfiles/fluentd_v0.14.gemfile
  - Gemfile
before_install:
  - gem update bundler