Section 1 · User commands
docker-image-diff.1
Package: podman-docker
podman-image-diff
NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLE
SEE ALSO
HISTORY
NAME
podman-image-diff − Inspect changes on an image’s filesystem
SYNOPSIS
podman image diff [options] image [image]
DESCRIPTION
Displays changes on an image’s filesystem. The image is compared to its parent layer or the second argument when given.
The output is prefixed with the following symbols:
| Symbol | Description |
| A | A file or directory was added. |
| D | A file or directory was deleted. |
| C | A file or directory was changed. |
OPTIONS
—format
Alter the output into a different format. The only valid format for podman image diff is json.
EXAMPLE
Display image differences from images parent layer:
$ podman image diff redis:old
C /usr
C /usr/local
C /usr/local/bin
A /usr/local/bin/docker-entrypoint.sh
Display image differences between two different images in JSON format:
$ podman image diff —format json redis:old redis:alpine
{
“changed”: [
“/usr”,
“/usr/local”,
“/usr/local/bin”
],
“added”: [
“/usr/local/bin/docker-entrypoint.sh”
]
}
SEE ALSO
podman(1), podman-image(1)
HISTORY
August 2017, Originally compiled by Ryan Cole rycole@redhat.com ⟨ mailto:rycole@redhat.com⟩