# 从0究极缩减镜像大小

作者：Odboy (opens new window)

本站地址：https://blog.odboy.cn (opens new window)

# 安装docker-slim

curl https://oss.odboy.cn/blog/files/docker-slim/dist_linux_1.40.11.tar.gz
tar -xzvf dist_linux_1.40.11.tar.gz
mv -f ./dist_linux/* /usr/bin/
chmod +x /usr/bin/docker-slim*
rm -rf ./dist_linux

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# 测试镜像

[root@easzlab ~]# docker images|grep 'easzlab.io.local:5000/springboot-standard-demo'
easzlab.io.local:5000/springboot-standard-demo    release_202410152011    51df0e8d9bcb    7 hours ago    1.05GB

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# 执行命令

/etc：配置文件
/usr/：用户二进制文件和程序
/sbin/：系统二进制文件
/root/：root 用户的主目录
/bin/：基本命令二进制文件
/bin/bash：Bash shell
/usr/local/java/：Java运行库
/home/admin/：应用所在目录
/opt/devops-app-control/：应用生命周期控制脚本所在目录

docker-slim build \
--target easzlab.io.local:5000/springboot-standard-demo:release_202410152011 \
--tag easzlab.io.local:5000/springboot-standard-demo:release_202410152011.slim \
--http-probe=false \
--include-path=/etc \
--include-path=/usr/ \
--include-path=/sbin/ \
--include-path=/root/ \
--include-path=/bin/ \
--include-bin=/bin/bash \
--include-path=/usr/local/java/ \
--include-path=/home/admin/ \
--include-path=/opt/devops-app-control/ \
--exec "curl checkip.amazonaws.com"

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# 镜像测试

写错了好几次，就不截图了

[root@easzlab ~]# docker run -itd easzlab.io.local:5000/springboot-standard-demo:release_202410152011.slim
d4a984153198b0b9422f3b50f7d001b8d4516a49a1afc65e1a5b0e4745b54360
[root@easzlab ~]# docker exec -it d4a984153198b0b9422f3b50f7d001b8d4516a49a1afc65e1a5b0e4745b54360 bash
[root@d4a984153198 springboot-standard-demo]# ./start_do.sh
[root@d4a984153198 springboot-standard-demo]# curl http://127.0.0.1:21800/monitor/healthCheck
1

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# 最终效果

就问你夸张不夸张？

jietu1