tosone/sigma-builder repository overview

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⁠sigma

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

⁠Quick Start

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

docker run --name sigma -p 3000:3000 --rm ghcr.io/go-sigma/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 provided here⁠.

⁠Demo Server

It runs on AWS ec2 (2C4G, Disk 40G), Linux distribution is Debian 12.1, Docker version 20.10.24. I will periodically reboot the container, and since the container doesn't have any disk mount, every reboot will clear all the data.

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

Status check here: https://stats.uptimerobot.com/PoB1PhvAoR/796311885⁠

⁠Architecture

⁠Features

• 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.

⁠Release Schedule

• There will be a major release in the middle and end of each year.
• A minor release is released at the beginning of each month.
• There will probably be a bugfix release in the middle of each week.

⁠Alternatives

• Distribution⁠
• Harbor⁠
• zot⁠