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⇱ DockerのImageからDockerfileを取り出せるか? #Docker - Qiita


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@PharaohKJ(ふぁらお 加藤)

DockerのImageからDockerfileを取り出せるか?

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Last updated at Posted at 2014-11-23

取り出せないようだが history コマンドで操作履歴を読み出すことでほぼほぼ同じことができそう。 --no-trunc オプションをつければ全文読むことができる。

これで docker run したとき、どういうコマンドが実行されているのかもわかって良い。

・・・むしろ他に方法があればぜひ教えていただきたいです >_<

[pharaohkj]$ docker history ping
IMAGE CREATED CREATED BY SIZE
fccfda7de5ee 3 weeks ago /bin/sh -c #(nop) CMD [/bin/sh -c ruby /root/ 0 B
9ebfa82ca561 3 weeks ago /bin/sh -c #(nop) ADD file:455a5361174c30b69a 414 B
9ef43ea1950d 3 weeks ago /bin/sh -c ip a 0 B
4a8bc893d8ce 3 weeks ago /bin/sh -c gem install --no-ri --no-rdoc etcd 2.588 MB
011ec0bedc3a 4 months ago /bin/sh -c cd /root/ 0 B
a21d40582067 4 months ago /bin/sh -c apt-get install ruby ruby-dev make 104.9 MB
fb7ee3b98e7c 4 months ago /bin/sh -c apt-get update 4.69 MB
cf9d9b748ef3 4 months ago /bin/sh -c #(nop) MAINTAINER MASAYUKI KATOH k 0 B
e54ca5efa2e9 5 months ago /bin/sh -c apt-get update && apt-get install 178.4 kB
6c37f792ddac 5 months ago /bin/sh -c apt-get update && apt-get install 83.61 MB
83ff768040a0 5 months ago /bin/sh -c sed -i 's/^#\s*\(deb.*universe\)$/ 1.903 kB
2f4b4d6a4a06 5 months ago /bin/sh -c echo '#!/bin/sh' > /usr/sbin/polic 194.5 kB
d7ac5e4f1812 5 months ago /bin/sh -c #(nop) ADD file:adc47d03da6bb2418e 192.5 MB
511136ea3c5a 17 months ago 0 B
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