Rails configuration to test and deploy to Heroku via CircleCI

circle.yml

database:
  override:
    - mkdir -p config
    - |
        echo 'test:
          host: localhost
          username: ubuntu
          database: circle_ruby_test
          adapter: postgresql
        ' > config/database.yml
    - bundle exec rake db:create db:migrate --trace
deployment:
  production:
    branch: production
    commands:
      - heroku pgbackups:capture --expire --app [HEROKU_APP_NAME]
      - heroku maintenance:on --app [HEROKU_APP_NAME]
      - heroku scale worker=0 --app [HEROKU_APP_NAME]
      - git push git@heroku.com:squar.git $CIRCLE_SHA1:refs/heads/master
      - heroku run rake db:migrate --app [HEROKU_APP_NAME]
      - heroku scale worker=1 --app [HEROKU_APP_NAME]
      - heroku restart --app [HEROKU_APP_NAME]
      - heroku maintenance:off --app [HEROKU_APP_NAME]
      - curl -H "x-api-key:[NEW_RELIC_API_KEY]" -d "deployment[application_id]=[NEW_RELIC_APP_ID]" -d "deployment[description]=Deployment via CircleCI'" -d "deployment[revision]=$CIRCLE_BUILD_NUM" -d "deployment[changelog]=$CIRCLE_SHA1" -d "deployment[user]=CircleCI"  https://rpm.newrelic.com/deployments.xml