language: ruby
cache: bundler
sudo: false
rvm:
- 2.2.5
- 2.3.1
- ruby-head
branches:
  only:
  - master
notifications:
  slack:
    on_success: change
    on_failure: always
    rooms:
      secure: ml+Ph8FuoU4TgEqGmjERaF5peoNTRhllG5rBFDUgGxPCKRxE9snYDwc+29RAhA7izlaUABIA3fWT11SdF2RMTUorsrz0PbYtyBZuI9AKloww1CUFMl2kr8+DRt/AzMcGYs8OgQW12NLNNRV72X4wUKsJXpazVHsXctU/Fh/AqX0=