singularity overlay seal

Seal a writable overlay, into a read-only layer.

Synopsis

The overlay seal command converts a writable overlay in an OCI-SIF image into a read-only image layer. This makes changes in the overlay permanent, and allows the image to be pushed with ‘–layer-format tar’.

singularity overlay seal oci-sif

Examples

To seal an OCI-SIF image containing an overlay:
$ singularity overlay seal /tmp/overlay.oci.sif

Options

-h, --help   help for seal

SEE ALSO

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