mirror of https://github.com/docker/cli.git
79 lines
6.0 KiB
Markdown
79 lines
6.0 KiB
Markdown
# history
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<!---MARKER_GEN_START-->
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Show the history of an image
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### Aliases
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`docker image history`, `docker history`
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### Options
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| Name | Type | Default | Description |
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|:----------------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| [`--format`](#format) | `string` | | Format output using a custom template:<br>'table': Print output in table format with column headers (default)<br>'table TEMPLATE': Print output in table format using the given Go template<br>'json': Print in JSON format<br>'TEMPLATE': Print output using the given Go template.<br>Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates |
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| `-H`, `--human` | | | Print sizes and dates in human readable format |
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| `--no-trunc` | | | Don't truncate output |
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| `-q`, `--quiet` | | | Only show image IDs |
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<!---MARKER_GEN_END-->
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## Examples
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To see how the `docker:latest` image was built:
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```console
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$ docker history docker
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IMAGE CREATED CREATED BY SIZE COMMENT
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3e23a5875458 8 days ago /bin/sh -c #(nop) ENV LC_ALL=C.UTF-8 0 B
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8578938dd170 8 days ago /bin/sh -c dpkg-reconfigure locales && loc 1.245 MB
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be51b77efb42 8 days ago /bin/sh -c apt-get update && apt-get install 338.3 MB
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4b137612be55 6 weeks ago /bin/sh -c #(nop) ADD jessie.tar.xz in / 121 MB
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750d58736b4b 6 weeks ago /bin/sh -c #(nop) MAINTAINER Tianon Gravi <ad 0 B
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511136ea3c5a 9 months ago 0 B Imported from -
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```
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To see how the `docker:apache` image was added to a container's base image:
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```console
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$ docker history docker:scm
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IMAGE CREATED CREATED BY SIZE COMMENT
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2ac9d1098bf1 3 months ago /bin/bash 241.4 MB Added Apache to Fedora base image
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88b42ffd1f7c 5 months ago /bin/sh -c #(nop) ADD file:1fd8d7f9f6557cafc7 373.7 MB
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c69cab00d6ef 5 months ago /bin/sh -c #(nop) MAINTAINER Lokesh Mandvekar 0 B
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511136ea3c5a 19 months ago 0 B Imported from -
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```
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### <a name="format"></a> Format the output (--format)
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The formatting option (`--format`) will pretty-prints history output
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using a Go template.
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Valid placeholders for the Go template are listed below:
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| Placeholder | Description |
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|-----------------|-----------------------------------------------------------------------------------------------------------|
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| `.ID` | Image ID |
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| `.CreatedSince` | Elapsed time since the image was created if `--human=true`, otherwise timestamp of when image was created |
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| `.CreatedAt` | Timestamp of when image was created |
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| `.CreatedBy` | Command that was used to create the image |
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| `.Size` | Image disk size |
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| `.Comment` | Comment for image |
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When using the `--format` option, the `history` command either
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outputs the data exactly as the template declares or, when using the
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`table` directive, includes column headers as well.
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The following example uses a template without headers and outputs the
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`ID` and `CreatedSince` entries separated by a colon (`:`) for the `busybox`
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image:
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```console
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$ docker history --format "{{.ID}}: {{.CreatedSince}}" busybox
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f6e427c148a7: 4 weeks ago
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<missing>: 4 weeks ago
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```
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