language: ruby
rvm:
  - 2.2.4
sudo: false
cache: bundler
# https://docs.travis-ci.com/user/database-setup/
env:
  - DB=sqlite
services:
  - elasticsearch
before_install: gem install bundler -v 1.11.2
install:
  - 'travis_retry bundle install'
# ElasticSearch takes few seconds to start
before_script:
  - sleep 10
script:
  - bundle exec rake test_with_coveralls