% podman-image-diff(1)
podman-image-diff - Inspect changes on an image's filesystem
podman image diff [options] image [image]
Displays changes on an image's filesystem. The image will be 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. |
Alter the output into a different format. The only valid format for podman image diff is json
.
$ podman diff redis:old
C /usr
C /usr/local
C /usr/local/bin
A /usr/local/bin/docker-entrypoint.sh
$ podman diff --format json redis:old redis:alpine
{
"changed": [
"/usr",
"/usr/local",
"/usr/local/bin"
],
"added": [
"/usr/local/bin/docker-entrypoint.sh"
]
}
August 2017, Originally compiled by Ryan Cole rycole@redhat.com