Files
zitadel/apps/docs/content/guides/integrate/services/gitlab-self-hosted.mdx
T
d8ea041c56 docs: introduce versioned docs and migrate to fuma (#11166)
## Todos for release

- [x] Configure Env in docs project on vercel
- [x] Configure Root Path in the docs project on vercel
- [ ] Remove old CSP https://github.com/zitadel/website/pull/1592

## What we did

This pull request migrates the project documentation from the old
`docs/` directory to the new `apps/docs/` directory, introduces a new
documentation system built with Next.js and Fumadocs, and updates all
relevant references, configuration files, and documentation to reflect
this change. It also adds new configuration and ignore files for the new
documentation app, updates CI and linting to exclude the new docs from
certain checks, and revises the contributing guidelines accordingly.

**Documentation System Migration and New Docs App**

* Migrated all documentation from `docs/` to `apps/docs/`, and updated
all references in `README.md`, `CONTRIBUTING.md`, and other files to
point to the new location.
[[1]](diffhunk://#diff-eca12c0a30e25b4b46522ebf89465a03ba72a03f540796c979137931d8f92055L585-L640)
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* Added a new Next.js/Fumadocs-based documentation app under
`apps/docs/`, including core app files, layouts, routing, search API,
and a comprehensive `README.md` with development and contribution
instructions.
[[1]](diffhunk://#diff-5a1b07344a2c1b4d3f37b23ff1388b62cd9f57dea3c1cd23d8a0412b7602b132R1-R74)
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[apps/docs/app/[[...slug]]/layout.tsxR1-R81](diffhunk://#diff-59e08acde4e805b7aeccef1dcf98f1d71dfc550777e6b9402085cee0e9fa4e0aR1-R81),
[apps/docs/app/[[...slug]]/page.tsxR1-R79](diffhunk://#diff-e5df3f80d0fa01e12d63d81f29c57a9d14e846c78fd3beabb2ef768e38fd9580R1-R79),
[[4]](diffhunk://#diff-389b34918e040cacaa87cd7201ffa462cc2b0b716736f537e3d3c660ac69353bR1-R7)
[[5]](diffhunk://#diff-d3b03416d1c457b19f1c27b26f2db741412df841b875c26ccadc36e4522247f4R1-R29)
[[6]](diffhunk://#diff-c8fb8339570a5305809be7c618e14705fd86390dc278e6ce8ba224a7bc8b0c3cR1-R25)

**Configuration and Tooling Updates**

* Updated `.github/workflows/codeql.yml`, `.golangci.yaml`, and
`.github/dependabot.yml` to properly handle the new docs app: excluded
`apps/docs` from certain checks, added npm dependency updates for the
docs app, and excluded generated content.
[[1]](diffhunk://#diff-12783128521e452af0cfac94b99b8d250413c516ec71fe6d97dbea666ff7ba27L8-R14)
[[2]](diffhunk://#diff-9917ddc9f1c3304218f7269265b746d997c5c0615478177b5fceecd33ef47cb5R5-R6)
[[3]](diffhunk://#diff-9917ddc9f1c3304218f7269265b746d997c5c0615478177b5fceecd33ef47cb5R126-R129)
[[4]](diffhunk://#diff-dd4fbda47e51f1e35defb9275a9cd9c212ecde0b870cba89ddaaae65c5f3cd28R89-R106)
* Updated `.devcontainer/devcontainer.json` to use the latest Go 1.25.3
version for consistency.

**Licensing and Miscellaneous**

* Added `apps/docs/` to the list of licensed directories in
`LICENSING.md`.

These changes ensure the documentation is now maintained in a modern,
scalable system and all project tooling is updated to support the new
structure.

---------

Co-authored-by: Federico Coppede <[email protected]>
2026-01-29 08:38:36 -08:00

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---
title: Log in with ZITADEL on Gitlab OmniAuth Provider
---
import CreateApp from "../application/_application.mdx";
This guide shows how to enable login with ZITADEL on self-hosted Gitlab instances.
It covers how to:
- create and configure the application in your ZITADEL project
- create and configure the connection in a self-hosted Gitlab instance
Prerequisites:
- existing ZITADEL Instance, if not present follow [this guide](/guides/start/quickstart)
- existing ZITADEL Organization, if not present follow [this guide](/guides/manage/console/organizations-overview)
- existing ZITADEL project, if not present follow the first 3 steps [here](/guides/manage/console/projects-overview)
- running Gitlab instance see [installation guide](https://docs.gitlab.com/ee/install/)
<CreateApp components={props.components} appType="web" authType="code" appName="Gitlab" redirectURI="https://<your_gitlab_url>/users/auth/openid_connect/callback"/>
## Gitlab configuration
Follow [this guide](https://docs.gitlab.com/ee/administration/auth/oidc.html) of gitlab to configure the omniauth provider. Following is an example configuration with redacted secrets.
Replace the values of the following fields:
- `args.client_options.identifier` with the `ClientId` generated by ZITADEL in the last step of [Create application in ZITADEL])()
- `args.client_options.secret` with the `ClientSecret` generated by ZITADEL in the last step of [Create application in ZITADEL])()
- `args.client_options.redirect_uri` with the proper URL to your gitlab instance and callback
```yaml
gitlab_rails['omniauth_providers'] = [
{
name: "openid_connect",
label: "ZITADEL",
icon: "https://${CUSTOM_DOMAIN}/ui/console/assets/icons/favicon-32x32.png",
args: {
name: "openid_connect",
scope: ["openid","profile","email"],
response_type: "code",
issuer: "https://${CUSTOM_DOMAIN}",
discovery: true,
client_options: {
identifier: "<CLIENT ID from ZITADEL>",
secret: "<CLIENT SECRET from ZITADEL>",
redirect_uri: "https://<YOUR_GITLAB_URL>/users/auth/openid_connect/callback"
}
}
}
]
```