# Page Not Found

The URL `2.21/admin/registries/add/gitlab` does not exist.

You might be looking for one of these pages:
- [Add a GitLab registry](https://docs.portainer.io/admin/registries/add/gitlab.md)
- [Add a Quay.io registry](https://docs.portainer.io/admin/registries/add/quay.md)
- [Add a GitHub registry](https://docs.portainer.io/admin/registries/add/ghcr.md)
- [Add an Azure registry](https://docs.portainer.io/admin/registries/add/azure.md)
- [Add an AWS ECR registry](https://docs.portainer.io/admin/registries/add/ecr.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.portainer.io/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.portainer.io/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/admin/registries/add/gitlab.md`)
- Use `Accept: text/markdown` header for content negotiation