Update .gitlab-ci.yml file

# The Docker image that will be used to build your app

default:

image: ruby:2.7

  image: ruby:2.6

# Functions that should be executed before the build script is run

  services:

    - postgres:11.7

  before_script:

  before_script:

  - "services:     - postgres:11.7"

    - bundle install

pages:

test:

  script:

  script:

    - "before_script:     - bundle install"

    - bundle exec rake spec

  artifacts:

 No newline at end of file

    paths:

      # The folder that contains the files to be exposed at the Page URL

      - public

  rules:

    # This ensures that only pushes to the default branch will trigger

    # a pages deploy

    - if: $CI_COMMIT_REF_NAME == $CI_DEFAULT_BRANCH