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NAME

podman-history - Show the history of an image

SYNOPSIS

podman history [options] image[:tag|@digest]

podman image history [options] image[:tag|@digest]

DESCRIPTION

podman history displays the history of an image by printing out information about each layer used in the image. The information printed out for each layer include Created (time and date), Created By, Size, and Comment. The output can be truncated or not using the --no-trunc flag. If the --human flag is set, the time of creation and size are printed out in a human readable format. The --quiet flag displays the ID of the image only when set and the --format flag is used to print the information using the Go template provided by the user.

Valid placeholders for the Go template are listed below:

Placeholder Description
.ID Image ID
.Created if --human, time elapsed since creation, otherwise time stamp of creation
.CreatedBy Command used to create the layer
.Size Size of layer on disk
.Comment Comment for the layer

OPTIONS

--human, -H

Display sizes and dates in human readable format (default true).

--no-trunc

Do not truncate the output (default false).

--quiet, -q

Print the numeric IDs only (default false).

--format=format

Alter the output for a format like 'json' or a Go template.

--help, -h

Print usage statement

EXAMPLES

$ podman history debian
ID              CREATED       CREATED BY                                      SIZE       COMMENT
b676ca55e4f2c   9 weeks ago   /bin/sh -c #(nop) CMD ["bash"]                  0 B
<missing>       9 weeks ago   /bin/sh -c #(nop) ADD file:ebba725fb97cea4...   45.14 MB
$ podman history --no-trunc=true --human=false debian
ID              CREATED                CREATED BY                                      SIZE       COMMENT
b676ca55e4f2c   2017-07-24T16:52:55Z   /bin/sh -c #(nop) CMD ["bash"]                  0
<missing>       2017-07-24T16:52:54Z   /bin/sh -c #(nop) ADD file:ebba725fb97cea4...   45142935
$ podman history --format "{{.ID}} {{.Created}}" debian
b676ca55e4f2c   9 weeks ago
<missing>       9 weeks ago
$ podman history --format json debian
[
    {
	"id": "b676ca55e4f2c0ce53d0636438c5372d3efeb5ae99b676fa5a5d1581bad46060",
	"created": "2017-07-24T16:52:55.195062314Z",
	"createdBy": "/bin/sh -c #(nop)  CMD [\"bash\"]",
	"size": 0,
	"comment": ""
    },
    {
	"id": "b676ca55e4f2c0ce53d0636438c5372d3efeb5ae99b676fa5a5d1581bad46060",
	"created": "2017-07-24T16:52:54.898893387Z",
	"createdBy": "/bin/sh -c #(nop) ADD file:ebba725fb97cea45d0b1b35ccc8144e766fcfc9a78530465c23b0c4674b14042 in / ",
	"size": 45142935,
	"comment": ""
    }
]

SEE ALSO

podman(1)

HISTORY

July 2017, Originally compiled by Urvashi Mohnani umohnani@redhat.com