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Copyright and other protections apply. Please see the accompanying LICENSE and CREDITS file(s) for rights and restrictions governing use of this software. All rights not expressly waived or licensed are reserved. If those files are missing or appear to be modified from their originals, then please contact the author before viewing or using this software in any capacity.

[Build Status] [Coverage Status]

Curious about integrating your project with the above services? Jeff Knupp (@jeffknupp) describes how.

dimgx - Docker IMaGe layer eXtractor (and flattener)

[master Version] [master Documentation] [master License] [master Supported Python Versions] [master Supported Python Implementations] [master Development Stage]

UPDATE: This project is no longer maintained or supported. Issues, pull requests, and other contributions will be ignored.

dimgx extracts and flattens Docker image layers. It is licensed under the MIT License. Source code is available on GitHub. See the docs for more information.

Examples

% dimgx -h
usage:
dimgx [options] [-l LAYER_SPEC] ... [-t PATH] IMAGE_SPEC
dimgx -h # for help

Docker IMaGe layer eXtractor (and flattener)
...
% dimgx nifty-box # show layers for "nifty-box[:latest]"
REPO TAG                IMAGE ID        PARENT ID       CREATED         LAYER SIZE      VIRTUAL SIZE
nifty-box               6667bbd4093c    82e5dcafc08c    18 hours ago    18.8 MB         144.0 MB
-                       82e5dcafc08c    cd5e80677a53    18 hours ago    1.8 kB          125.2 MB
-                       cd5e80677a53    df2a0347c9d0    18 hours ago    0 Bytes         125.2 MB
debian:jessie           df2a0347c9d0    39bb80489af7    21 hours ago    0 Bytes         125.2 MB
-                       39bb80489af7    -               21 hours ago    125.2 MB        125.2 MB
% dimgx -l df2a:82ef nifty-box # show only the second through fourth layers
IMAGE TAG               IMAGE ID        PARENT ID       CREATED         LAYER SIZE      VIRTUAL SIZE
-                       82e5dcafc08c    cd5e80677a53    18 hours ago    1.8 kB          125.2 MB
-                       cd5e80677a53    df2a0347c9d0    18 hours ago    0 Bytes         125.2 MB
debian:jessie           df2a0347c9d0    39bb80489af7    21 hours ago    0 Bytes         125.2 MB
% dimgx -l cd5e:6667 -t nifty.tar nifty-box # extract the third through fifth layers
% du -hs nifty.tar
 18M    nifty.tar

Issues

dimgx did what I needed when I needed it, but I have no interested in maintaining it further. Issues and other contributions are no longer considered.