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Sigma is an image registry that is extremely easy to deploy and maintain, and it adheres to the interface standards defined by theOCI Distribution Specification 1.1, it can also support any other client programs that follow the interface definition of the OCI Distribution Specification, such asoras,apptainer,helm, andnerdctl.

Now you can use this command to run a simple server:

docker run --name sigma -p 3000:3000 --rm tosone/sigma:nightly-alpine

The default username and password is: sigma/Admin@123, if you want to modify the default password, please refer to the instructions providedhere.

It is deployed on an AWS EC2 instance (2C4G, 40G disk) running Debian 12.1 as the Linux distribution. The Docker version used is 25.0.3. The demo server was set up following theseinstructions.

Visit:https://sigma.tosone.cn, username/password: sigma/Admin@123

• Support docker registry v2 protocol.
• Support OCI Image v1 Format and OCI Image Index v1 Format.
• Support OCI artifacts such as helm and so on.
• Support OCI sbom.
• Support Image security scan.
• Support registry proxy.
• Support Namespace quota.
• Support Image automatic garbage collection.
• Support Image sign.
• Support Image build in docker, podman and kubernetes.
• Support Image replication.

• Distribution
• Harbor
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