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layout	page_title	description
docs	compress Post-Processor	The Packer compress post-processor takes an artifact with files (such as from VMware or VirtualBox) and compresses the artifact into a single archive.

Compress Post-Processor

Type: compress

The Packer compress post-processor takes an artifact with files (such as from VMware or VirtualBox) and compresses the artifact into a single archive.

Configuration

Required:

You must specify the output filename. The archive format is derived from the filename.

output (string) - The path to save the compressed archive. The archive format is inferred from the filename. E.g. .tar.gz will be a gzipped tarball. .zip will be a zip file. If the extension can't be detected packer defaults to .tar.gz behavior but will not change the filename.

If you are executing multiple builders in parallel you should make sure output is unique for each one. For example packer_{{.BuildName}}_{{.Provider}}.zip.

Optional:

If you want more control over how the archive is created you can specify the following settings:

compression_level (integer) - Specify the compression level, for algorithms that support it, from 1 through 9 inclusive. Typically higher compression levels take longer but produce smaller files. Defaults to 6
keep_input_artifact (boolean) - Keep source files; defaults to false

Supported Formats

Supported file extensions include .zip, .tar, .gz, .tar.gz, .lz4 and .tar.lz4. Note that .gz and .lz4 will fail if you have multiple files to compress.

Examples

Some minimal examples are shown below, showing only the post-processor configuration:

{
  "type": "compress",
  "output": "archive.tar.lz4"
}

{
  "type": "compress",
  "output": "archive.zip"
}

{
  "type": "compress",
  "output": "archive.gz",
  "compression": 9
}

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