# The Singularity Image Format (SIF)

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This module contains an open source implementation of the Singularity Image Format (SIF) that makes it easy to create complete and encapsulated container environments stored in a single file.

![SIF Image](doc/sif.png)

Unless otherwise noted, the SIF source files are distributed under the BSD-style license found in the [LICENSE.md](LICENSE.md) file.

## Install Siftool

Pre-built binaries are available with the [latest release](https://github.com/sylabs/sif/releases).

## Go Version Compatibility

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

## Contributing

SIF and [SingularityCE](https://github.com/sylabs/singularity) are the work of many contributors. We appreciate your help!

To contribute, please read the contribution guidelines found in the [CONTRIBUTING.md](CONTRIBUTING.md) file.