## Usage
usage: undocker.py [-h] [--ignore-errors] [--output OUTPUT] [--verbose]
[--debug] [--list] [--layer LAYER]
image
positional arguments:
image
optional arguments:
-h, --help show this help message and exit
--ignore-errors, -i Ignore OS errors when extracting files
--output OUTPUT, -o OUTPUT
Output directory (defaults to ".")
--verbose, -v
--debug, -d
--list, --ls List layers in an image
--layer LAYER, -l LAYER
Extract only the specified layer
## Examples
Extract an entire image:
$ docker save busybox | undocker -i -o busybox busybox
The `-i` option is necessary here because I am not running as root,
and the extract operation will fail when it attempts to create device
nodes.
List the layers in an image:
$ docker save busybox | undocker --list
511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158
df7546f9f060a2268024c8a230d8639878585defcc1bc6f79d2728a13957871b
ea13149945cb6b1e746bf28032f02e9b5a793523481a0a18645fc77ad53c4ea2
4986bf8c15363d1c5d15512d5266f8777bfba4974ac56e3270e7760f6f0a8125
Extract only specific layers:
$ docker save busybox |
undocker -o busybox -v \
-l 4986bf8c15363d1c5d15512d5266f8777bfba4974ac56e3270e7760f6f0a8125 \
busybox
INFO:undocker:extracting image busybox (4986bf8c15363d1c5d15512d5266f8777bfba4974ac56e3270e7760f6f0a8125)
INFO:undocker:extracting layer 4986bf8c15363d1c5d15512d5266f8777bfba4974ac56e3270e7760f6f0a8125
## License
undocker -- a tool for decomposing Docker images
Copyright (C) 2015 Lars Kellogg-Stedman <lars@oddbit.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
1 maintainer
Metadata
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Release files for undocker 5
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