Distribution vs Harbor
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
Harbor
Cloud-native container registry with security
| Feature | Distribution | Harbor |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 98 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Easy | Medium |
| Min. RAM | 128 MB | 4,096 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, helm |
| GitHub stars | ★ 10,623 | ★ 29,435 |
| First released | 2015 | 2016 |
| Replaces | Docker Hub | Docker Hub, Artifactory |
What are Distribution and Harbor?
Distribution
Distribution is the reference implementation of the OCI registry and the engine behind Docker Registry. It provides a simple, scalable self-hosted container image registry.
- OCI-compliant registry
- Pluggable storage backends
- Lightweight and fast
- Foundation of many registries
Harbor
Harbor is an open-source container registry that secures artifacts with policies, role-based access control, vulnerability scanning, and image signing. It is a CNCF graduated project.
- Private container registry
- Vulnerability scanning
- Image replication
- Role-based access control
Distribution vs Harbor: key differences
Both projects are written in Go. Distribution is the lighter option, starting around 128 MB of RAM against 4,096 MB for Harbor. Harbor has the considerably larger community, at 29,435 GitHub stars versus 10,623.
Why pick each one
Choose Distribution if…
- Released under the Apache-2.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
Choose Harbor if…
- Built-in vulnerability scanning
- Fine-grained RBAC
- CNCF graduated project
Watch out for
- Many moving components
- Notable resource usage
Frequently asked questions
Is Distribution or Harbor better?
Neither is universally better. Harbor has the larger community, while Distribution is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Distribution and Harbor free and open-source?
Yes. Distribution is licensed under Apache-2.0 and Harbor under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Distribution and Harbor with Docker?
Distribution: yes. Harbor: yes.
Which is lighter on resources, Distribution or Harbor?
Distribution has the smaller minimum footprint at 128 MB of RAM, compared to about 4,096 MB for Harbor. Real-world usage depends on library size, user count, and enabled features.