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sublimer@鯖缶 (sublimer@mstdn.sublimer.me)'s status on Sunday, 27-Mar-2022 10:06:24 JST sublimer@鯖缶

へー
`COPY --chmod` reduced the size of my container image by 35% : ????--- https://blog.vamc19.dev/posts/dockerfile-copy-chmod/
In conversation Sunday, 27-Mar-2022 10:06:24 JST from mstdn.sublimer.me permalink
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  `COPY --chmod` reduced the size of my container image by 35%
  
  Earlier this week, I was writing a Dockerfile to download and run a binary when I noticed the image size was way more than what I would expect. I’m using ubuntu:21.10 as the base image, which is about 70MB. The binary I’m running is about 80MB. Other packages I’m installing would add 10-ish MB. But the image size is 267MB? Clearly I’m doing something wrong. But what? My Dockerfile is fairly simple and, what I considered, idiomatic:

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