---
name: "singularity-sif-add"
section: "1"
platform: "linux"
package: "apptainer"
version: "1.5.4-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/singularity-sif-add"
---

# singularity-sif-add(1)

Add data object

## NAME

apptainer-sif-add - Add data object

## SYNOPSIS

**apptainer sif add   \[flags\]**

## DESCRIPTION

Add a data object to a SIF image.

## OPTIONS

**--alignment**=0\
 	set alignment \[default: 4096 with --datatype 4-Partition, 0 otherwise\]

**--datatype**=0\
 	the type of data to add \[NEEDED, no default\]:\
   1-Deffile,        2-EnvVar,        3-Labels,\
   4-Partition,      5-Signature,     6-GenericJSON,\
   7-Generic,        8-CryptoMessage, 9-SBOM,\
   10-OCI.RootIndex, 11-OCI.Blob

**--filename**=""\
 	set logical filename/handle \[default: input filename\]

**--groupid**=0\
 	set groupid \[default: 0\]

**-h**, **--help**\[=false\]\
 	help for add

**--link**=0\
 	set link pointer \[default: 0\]

**--partarch**=0\
 	the main architecture used (with --datatype 4-Partition) \[NEEDED, no default\]:\
   1-386,       2-amd64,     3-arm,\
   4-arm64,     5-ppc64,     6-ppc64le,\
   7-mips,      8-mipsle,    9-mips64,\
   10-mips64le, 11-s390x,    12-riscv64,\
   13-loong64

**--partfs**=0\
 	the filesystem used (with --datatype 4-Partition) \[NEEDED, no default\]:\
   1-Squash,    2-Ext3,      3-ImmuObj,\
   4-Raw

**--parttype**=0\
 	the type of partition (with --datatype 4-Partition) \[NEEDED, no default\]:\
   1-System,    2-PrimSys,   3-Data,\
   4-Overlay

**--sbomformat**=""\
 	the SBOM format (with --datatype 9-sbom):\
   cyclonedx-json, cyclonedx-xml,  github-json,\
   spdx-json,      spdx-rdf,       spdx-tag-value,\
   spdx-yaml,      syft-json

**--signentity**=""\
 	the entity that signs (with --datatype 5-Signature) \[NEEDED, no default\]:\
   example: 433FE984155206BD962725E20E8713472A879943

**--signhash**=0\
 	the signature hash used (with --datatype 5-Signature) \[NEEDED, no default\]:\
   1-SHA256,      2-SHA384,      3-SHA512,\
   4-BLAKE2s\_256, 5-BLAKE2b\_256

## EXAMPLE

```
sif add image.sif recipe.def --datatype 1
sif add image.sif rootfs.squashfs --datatype 4 --parttype 1 --partfs 1 --partarch 2
sif add image.sif signature.bin --datatype 5 --signentity 433FE984155206BD962725E20E8713472A879943 --signhash 1
```

## SEE ALSO

**[apptainer-sif(1)](/apptainer-sif/1.md)**

## HISTORY

22-Sep-2026 Auto generated by spf13/cobra