apptainer-inspect
Display metadata from container images.
TLDR
Show the labels of an image (default)
$ apptainer inspect [path/to/image.sif]
Show the definition file used to build the image$ apptainer inspect -d [path/to/image.sif]
Show the runscript for the image$ apptainer inspect -r [path/to/image.sif]
Show the environment variables of the image$ apptainer inspect -e [path/to/image.sif]
List all apps in the container$ apptainer inspect --list-apps [path/to/image.sif]
Show all available data in JSON format$ apptainer inspect --all [path/to/image.sif]
SYNOPSIS
apptainer inspect [options] image.sif
DESCRIPTION
apptainer inspect displays metadata embedded in Apptainer container images. This includes labels, the definition file used to build the container, runscripts, environment settings, and information about bundled apps.
The metadata provides valuable information for understanding container provenance, reproducibility, and intended usage.
PARAMETERS
-d, --deffile
Display the definition file used to build the container-r, --runscript
Display the container's runscript-e, --environment
Display environment variables set in the container--list-apps
List all SCIF apps installed in the container--all
Display all available metadata-j, --json
Output results in JSON format
SEE ALSO
apptainer(1), apptainer-build(1)