%h4.prepend-top-0 Secret variables = link_to icon('question-circle'), help_page_path('ci/variables/README', anchor: 'secret-variables'), target: '_blank' %p These variables will be set to environment by the runner, and could be protected by exposing only to protected branches or tags. %p So you can use them for passwords, secret keys or whatever you want. %p The value of the variable can be visible in job log if explicitly asked to do so.