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SBoM

Generates a Software Bill-of-Materials (SBoM) for Mix projects, in CycloneDX format.

Full documentation can be found at https://hexdocs.pm/sbom.

For a quick demo of how this might be used, check out this blog post.

Installation

To install the Mix task globally on your system, run mix archive.install hex sbom.

Alternatively, the package can be added to a project's dependencies to make the Mix task available for that project only:

def deps do
  [
    {:sbom, "~> 0.5.1", only: :dev, runtime: false}
  ]
end

Usage

To produce a CycloneDX SBoM, run mix sbom.cyclonedx from the project directory. The result is written to a file named bom.xml, unless a different name is specified using the -o option.

By default only the dependencies used in production are included. To include all dependencies, including those for the 'dev' and 'test' environments, pass the -d command line option: mix sbom.cyclonedx -d.

Note that MIX_ENV does not affect which dependencies are included in the output; the task should normally be run in the default (dev) environment

For more information on the command line arguments accepted by the Mix task run mix help sbom.cyclonedx.

NPM packages and other dependencies

This tool only considers Hex, GitHub and BitBucket dependencies managed through Mix. To build a comprehensive SBoM of a deployment, including NPM and/or operating system packages, it may be necessary to merge multiple CycloneDX files into one.

The @cyclonedx/bom tool on NPM can not only generate an SBoM for your JavaScript assets, but it can also merge in the output of the 'sbom.cyclonedx' Mix task and other scanners, through the '-a' option, producing a single CycloneDX XML file.