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# การแสดงประวัติการสร้าง Docker image ด้วยคำสั่ง docker history
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#!/bin/bash | |
# MrChoke | |
# Ref: https://docs.docker.com/engine/reference/commandline/history/ | |
# Ref: https://stackoverflow.com/questions/19104847/how-to-generate-a-dockerfile-from-an-image | |
if [ $# -eq 0 ]; then | |
echo "No docker image provided." | |
echo -e "Example:\n" | |
echo -e "$0 nginx:latest\n" | |
exit 1 | |
fi | |
docker history \ | |
--no-trunc \ | |
--format "{{.CreatedBy}}" \ | |
$1 \ | |
| tac \ | |
| awk ' | |
{ | |
gsub(/^\/bin\/sh \-c #\(nop\) /,""); | |
gsub(/^\/bin\/sh \-c /,"RUN "); | |
gsub(/\/bin\/sh \-c /,""); | |
gsub(/^[ \t]+|[ \t]+$/,""); | |
gsub(/ && /,"\\\n & ") | |
}1' |
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