language: ruby
install: bundle install --without integration --deployment --jobs=3 --retry=3
sudo: false
cache:
  directories:
    - vendor/bundle
rvm:
  - 2.0
  - 2.1
  - 2.2
script:
  - bundle exec rake travis

language: ruby
sudo: false
bundler_args: --without integration --deployment --jobs=3 --retry=3
cache: bundler
rvm:
  - 2.0
  - 2.1
  - 2.2
script:
  - bundle exec rake travis

Switch Travis-CI bundler custom install with custom args
Switch Travis-CI bundler custom install with custom args