It works by setting up a (free) pipeline which can run arbitrary code (docker-ized) that you set up in a .gitlab-ci.yml file that outputs build artifacts (stati

It works by setting up a (free) pipeline which can run arbitrary code (docker-ized) that you set up in a .gitlab-ci.yml file that outputs build artifacts (static assets). These assets are then copied to gitlab's pages system. Doesn't sound very straightforward to me.