podman-image-diff

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"
     ]
   }