Architecture comparison
DevTools
GitLab.com runs the GitLab Rails/Workhorse/Puma/Sidekiq stack backed by PostgreSQL for primary metadata, Redis for queues, caching and session/state, and Elasticsearch for advanced search, deployed on Google Cloud Platform using managed services where appropriate. Self-managed and other GitLab-operated instances can run on AWS, Azure, GCP, or bare metal, but GitLab.com’s primary production environment is on GCP.
DevTools
API platform; Postbot AI on OpenAI over API specs/collections.