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September 26, 2019 05:54
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To generate the docker file, docker history can be used.
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| docker history --no-trunc c3555fec4fe6 $argv | tac | tr -s ' ' | cut -d " " -f 5- | sed 's,^/bin/sh -c #(nop) ,,g' | sed 's,^/bin/sh -c,RUN,g' | sed 's, && ,\n & ,g' | sed 's,\s*[0-9]*[\.]*[0-9]*[kMG]*B\s*$,,g' | head -n -1 |
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Sourece: https://stackoverflow.com/questions/19104847/how-to-generate-a-dockerfile-from-an-image