https://github.com/cmkobel/singularity

Singularity has been renamed to Apptainer as part of us moving the project to the Linux Foundation. This repo has been persisted as a snapshot right before the changes.

https://github.com/cmkobel/singularity

Repository

Singularity has been renamed to Apptainer as part of us moving the project to the Linux Foundation. This repo has been persisted as a snapshot right before the changes.

https://github.com/cmkobel/singularity/blob/master/

# Singularity

IMPORTANT NOTE: Singularity has been renamed to
[Apptainer](https://apptainer.org/news/community-announcement-20211130).
This repository is now only for maintaining the 3.8 series and archiving
the history; the master branch is not used for anything.
Submit all current issues and pull requests to
[https://github.com/apptainer/apptainer](https://github.com/apptainer/apptainer).
Any issue submitted here will be automatically closed.

[![CI](https://github.com/hpcng/singularity/actions/workflows/ci.yml/badge.svg)](https://github.com/hpcng/singularity/actions/workflows/ci.yml)

- [Documentation](https://singularity.hpcng.org/docs/)
- [Support](#support)
- [Community Meetings / Minutes / Roadmap](https://drive.google.com/drive/u/0/folders/1npfBhIDxqeJIUHZ0tMeuHPvc_iB4T2B6)
- [Project License](LICENSE.md)
- [Guidelines for Contributing](CONTRIBUTING.md)
- [Code of Conduct](CODE_OF_CONDUCT.md)
- [Citation](#citing-singularity)

## What is Singularity?

Singularity is an open source container platform designed to be simple, fast,
and secure. Many container platforms are available, but Singularity is designed
for ease-of-use on shared systems and in high performance computing (HPC)
environments. It features:

- An immutable single-file container image format, supporting cryptographic
  signatures and encryption.
- Integration over isolation by default. Easily make use of GPUs, high speed
  networks, parallel filesystems on a cluster or server.
- Mobility of compute. The single file SIF container format is easy to transport
  and share.
- A simple, effective security model. You are the same user inside a container
  as outside, and cannot gain additional privilege on the host system by
  default.

Singularity is open source software, distributed under the [BSD License](LICENSE.md).

Check out [talks about Singularity](https://singularity.hpcng.org/talks)
and some [use cases of Singularity](https://singularity.hpcng.org/usecases)
on our website.

## Getting Started with Singularity

To install Singularity from source, see the [installation
instructions](INSTALL.md). For other installation options, see [our
guide](https://singularity.hpcng.org/admin-docs/master/installation.html).

System administrators can learn how to configure Singularity, and get an
overview of its architecture and security features in the [administrator
guide](https://singularity.hpcng.org/admin-docs/master/).

For users, see the [user guide](https://singularity.hpcng.org/user-docs/master/)
for details on how to run and build containers with Singularity.

## Contributing to Singularity

Community contributions are always greatly appreciated. To start developing
Singularity, check out the [guidelines for contributing](CONTRIBUTING.md).

Please note we have a [code of conduct](CODE_OF_CONDUCT.md). Please follow it in
all your interactions with the project members and users.

Our roadmap, other documents, and user/developer meeting information can be
found in the [singularity community page](https://singularity.hpcng.org/help).

We also welcome contributions to our [user
guide](https://github.com/hpcng/singularity-userdocs) and [admin
guide](https://github.com/hpcng/singularity-admindocs).

## Support

To get help with Singularity, check out the [Singularity
Help](https://singularity.hpcng.org/help) web page.

## Go Version Compatibility

Singularity aims to maintain support for the two most recent stable versions
of Go. This corresponds to the Go
[Release Maintenance
Policy](https://github.com/golang/go/wiki/Go-Release-Cycle#release-maintenance)
and [Security Policy](https://golang.org/security),
ensuring critical bug fixes and security patches are available for all
supported language versions.

## Citing Singularity

The Singularity software may be cited using our Zenodo DOI `10.5281/zenodo.1310023`:

> Singularity Developers (2021) Singularity. 10.5281/zenodo.1310023
> 

This is an 'all versions' DOI for referencing Singularity in a manner that is
not version-specific. You may wish to reference the particular version of
Singularity used in your work. Zenodo creates a unique DOI for each release,
and these can be found in the 'Versions' sidebar on the [Zenodo record page](https://doi.org/10.5281/zenodo.1310023).

Please also consider citing the original publication describing Singularity:

> Kurtzer GM, Sochat V, Bauer MW (2017) Singularity: Scientific containers for
> mobility of compute. PLoS ONE 12(5): e0177459.
> 

## License

_Unless otherwise noted, this project is licensed under a 3-clause BSD license
found in the [license file](LICENSE.md)._

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