A reference consumer of the shared zellwerk/shared/gitlab-ci templates.
This page is served by nginx, baked into a Docker image by the layered three-stage build pattern and deployed to Dokku.
.gitlab/docker/Dockerfile-base → .gitlab/docker/Dockerfile-build → Dockerfiledev (auto on default branch), production (manual button), feature/<branch> (auto per branch, 1-week auto-stop)