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Harbor is an open-source cloud-native container registry that stores, signs and scans container images. It provides role-based access control, replication, image signing and vulnerability scanning with integrations for CI/CD and Kubernetes. Operators use it to enforce policies, ensure compliance and govern container supply chains.
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Harbor is an open-source registry for container images and other artifacts with access control, scanning, and replication.
Harbor emerged from the need to store container images under enterprise control and with security checks. VMware initially developed the project, later released it as open source and transferred it to the CNCF; it grew into a registry with security and governance capabilities.
Clients push and pull images through the registry. Projects group repositories and permissions; policies, signatures, and vulnerability scans check artifacts, while replication rules copy them to other registries.
Repositories are organized into projects with roles and access rules.
Scans, signatures, and policies check images before use.
Artifacts can be synchronized between registry instances by rule.
Harbor gives teams control over private container and Helm artifacts. Scanner, certificate, permission, and retention management determine security and operating cost.
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