1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
---
title: "history"
description: "The history command description and usage"
keywords: "docker, image, history"
---
# history
```markdown
Usage: docker history [OPTIONS] IMAGE
Show the history of an image
Options:
--format string Pretty-print images using a Go template
--help Print usage
-H, --human Print sizes and dates in human readable format (default true)
--no-trunc Don't truncate output
-q, --quiet Only show image IDs
```
## Examples
To see how the `docker:latest` image was built:
```console
$ docker history docker
IMAGE CREATED CREATED BY SIZE COMMENT
3e23a5875458 8 days ago /bin/sh -c #(nop) ENV LC_ALL=C.UTF-8 0 B
8578938dd170 8 days ago /bin/sh -c dpkg-reconfigure locales && loc 1.245 MB
be51b77efb42 8 days ago /bin/sh -c apt-get update && apt-get install 338.3 MB
4b137612be55 6 weeks ago /bin/sh -c #(nop) ADD jessie.tar.xz in / 121 MB
750d58736b4b 6 weeks ago /bin/sh -c #(nop) MAINTAINER Tianon Gravi <ad 0 B
511136ea3c5a 9 months ago 0 B Imported from -
```
To see how the `docker:apache` image was added to a container's base image:
```console
$ docker history docker:scm
IMAGE CREATED CREATED BY SIZE COMMENT
2ac9d1098bf1 3 months ago /bin/bash 241.4 MB Added Apache to Fedora base image
88b42ffd1f7c 5 months ago /bin/sh -c #(nop) ADD file:1fd8d7f9f6557cafc7 373.7 MB
c69cab00d6ef 5 months ago /bin/sh -c #(nop) MAINTAINER Lokesh Mandvekar 0 B
511136ea3c5a 19 months ago 0 B Imported from -
```
### <a name="format"></a> Format the output (--format)
The formatting option (`--format`) will pretty-prints history output
using a Go template.
Valid placeholders for the Go template are listed below:
| Placeholder | Description |
|-----------------|-----------------------------------------------------------------------------------------------------------|
| `.ID` | Image ID |
| `.CreatedSince` | Elapsed time since the image was created if `--human=true`, otherwise timestamp of when image was created |
| `.CreatedAt` | Timestamp of when image was created |
| `.CreatedBy` | Command that was used to create the image |
| `.Size` | Image disk size |
| `.Comment` | Comment for image |
When using the `--format` option, the `history` command will either
output the data exactly as the template declares or, when using the
`table` directive, will include column headers as well.
The following example uses a template without headers and outputs the
`ID` and `CreatedSince` entries separated by a colon (`:`) for the `busybox`
image:
```console
$ docker history --format "{{.ID}}: {{.CreatedSince}}" busybox
f6e427c148a7: 4 weeks ago
<missing>: 4 weeks ago
```
|
