gitlab-ci.yml

image: "ruby:2.3.1"

variables:
  POSTGRES_DB: "your_project-test"
  POSTGRES_USER: "postgres"
  POSTGRES_PASSWORD: ""
  RAILS_ENV: "test"
  SETUP_DB: "false"
  DATABASE_URL: "postgresql://$POSTGRES_USER:$POSTGRES_PASSWORD@postgres:5432/$POSTGRES_DB"

cache:
  key: "ruby-231"
  untracked: true
  paths:
    - vendor/ruby
    - vendor/apt

before_script:
  - mkdir -p vendor/apt
  - ruby -v
  - which ruby
  - apt-get update -qq && apt-get -o dir::cache::archives="vendor/apt" install -yqq nodejs
  - gem install bundler dpl --no-ri --no-rdoc
  - bundle install -j $(nproc) --path vendor
  - '[ "$SETUP_DB" != "true" ] || bundle exec rake db:drop db:create db:schema:load db:migrate'

.use-db: &use-db
  services:
    - postgres:latest
  variables:
    SETUP_DB: "true"

rubocop:
  stage: test
  script: bundle exec rubocop

rspec:
  stage: test
  <<: *use-db
  script:
  - bundle exec rspec

deploy:
  stage: deploy
  environment: production
  script:
  - dpl --provider=heroku --app=$HEROKU_PRODUCTION_APP_NAME --api-key=$HEROKU_PRODUCTION_KEY
  only:
  - master