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podman-image-diff(1) General Commands Manual podman-image-diff(1)

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⟩