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doc/user/project/integrations/harbor.md

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 # Harbor Container Registry integration **(FREE)**
 
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 Use Harbor as GitLab group or project's container registry.
 
 [Harbor](https://goharbor.io/) is an open source registry that secures artifacts with policies and role-based access control, ensures images are scanned and free from vulnerabilities, and signs images as trusted. Harbor, a CNCF Graduated project, delivers compliance, performance, and interoperability to help you consistently and securely manage artifacts across cloud native compute platforms like Kubernetes and Docker.
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 * Global variables '$HARBOR_USER', '$HARBOR_PASSWORD', '$HARBOR_URL' and '$HARBOR_PROJECT' will be created for CI/CD usage.
 
 * Project-level integration settings override group-level integration settings.
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