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podman/docs/podman-history.1.md
umohnani8 8d5da78b0e Doc changes to fix alignment on most of the docs 
Went through the docs and fixed the alignment so they
all match up and look readable when doing 'man podman [command]"

Signed-off-by: umohnani8 <umohnani@redhat.com>

Closes: #943
Approved by: rhatdan
2018-06-14 17:18:45 +00:00

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% podman-history "1"

NAME

podman-history - Shows the history of an image

SYNOPSIS

podman history IMAGE[:TAG|DIGEST] [--human|-H] [--no-trunc] [--quiet|-q] [--format] [--help|-h]

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

podman [GLOBAL OPTIONS]

podman history [GLOBAL OPTIONS]

podman history [OPTIONS] IMAGE[:TAG|DIGEST]

OPTIONS

--human, -H

Display sizes and dates in human readable format

--no-trunc

Do not truncate the output

--quiet, -q

Print the numeric IDs only

--format

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

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": ""
    }
]

history

Show the history of an image

SEE ALSO

podman(1), crio(8)

HISTORY

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