gitlab-ce/doc/development/cells/configuration.md

stage	group	info	title
Tenant Scale	Cells Infrastructure	Any user with at least the Maintainer role can merge updates to this content. For details, see https://docs.gitlab.com/ee/development/development_processes.html#development-guidelines-review.	Configuration

Find the existing cells configuration documentation, under Cells configuration.

Add cells-related configuration to config/gitlab.yml under the cell key.

References

• Cells design document