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Yaroslav Nelin ynelin

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  • Ukraine, Kiev
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ynelin / readme.txt
Created February 2, 2016 11:12
docker rollback image changes
That’s one of the real strengths of Docker: the ability to go back to a previous commit. The secret is simply to docker tag the image you want.
Here’s an example. In this example, I first installed ping, then committed, then installed curl, and committed that. Then I rolled back the image to contain only ping:
$ docker history imagename
f770fc671f11 12 seconds ago apt-get install -y curl 21.3 MB
28445c70c2b3 39 seconds ago apt-get install ping 11.57 MB
8dbd9e392a96 7 months ago 131.5 MB