Singularity Registry Server

Spec sheet

Purpose

Singularity Registry Server is an open source registry for Singularity containers.Read 5 Oct 2026 · singularityhub.github.io

Intended users

The project describes the registry as a non-enterprise solution catered for research scientists.Read 5 Oct 2026 · singularityhub.github.io

Support

The About page directs users who need help to open an issue on GitHub.Read 5 Oct 2026 · singularityhub.github.io

Authentication integrations

Included plugins support LDAP, PAM, and SAML authentication.Read 5 Oct 2026 · singularityhub.github.io

Backup responsibility

The documentation leaves storage backup strategy to the deploying institution because storage options vary.Read 5 Oct 2026 · singularityhub.github.io

Deployment requirements

The server needs web access and a host that can install and run Docker and Docker Compose.Read 5 Oct 2026 · singularityhub.github.io

Flexible deployment

The registry is designed to support different authentication, storage, and building plugins.Read 5 Oct 2026 · singularityhub.github.io

Image transfers

Users can push and pull container images using Singularity clients, and the registry also documents a Curl API.Read 5 Oct 2026 · singularityhub.github.io

Other integrations

Included plugins provide Globus transfers, Google Cloud build and storage, and a keystore for signing containers.Read 5 Oct 2026 · singularityhub.github.io

Private registries

A registry can be entirely private and can use expiring tokens that can be shared.Read 5 Oct 2026 · singularityhub.github.io

Security configuration

The starter web server configuration uses HTTP, and the documentation advises configuring HTTPS properly.Read 5 Oct 2026 · singularityhub.github.io

Signing caveat

The client documentation shows an unsigned image push using the `-U` option.Read 5 Oct 2026 · singularityhub.github.io

Web interface

The documentation describes using the interface to interact with collections.Read 5 Oct 2026 · singularityhub.github.io

Plans and prices

Every Singularity Registry Server plan and price →

Where Specifiction places it

• Container Registries#31 of 607.5