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⇱ DockerfileのRUNで行の区切りを入れたい場合:;\が便利 #dockerfile - Qiita


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@tukiyo3

DockerfileのRUNで行の区切りを入れたい場合:;\が便利

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使う前

Dockerfile
RUN \
 set -eux ;\
 echo "1" ;\
 echo "2" ;\
 echo "3" ;\
 echo "4" ;\
 echo "done"

使った場合

Dockerfile
RUN \
 set -eux ;\
 echo "1" ;\
 :;\
 echo "2" ;\
 :;\
 echo "3" ;\
 :;\
 echo "4" ;\
 :;\
 echo "done"
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