this post was submitted on 13 Sep 2023
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Programming
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What runtime do you need? If it’s Node.js, the “slim” Docker images are lightweight and based on Debian. (for example
node:lts-slim)250mb is a curios interpretation of "lightweight"
Standard
nodeimages are around 1 GB.node:lts-alpineis about 176 MB. So it’s fairly close toalpinein this case.Sure, but it you consider that 166MB of that is for the node part alone, the "slim" image ships 80MB of stuff to basically do nothing
It would be interesting to see what the difference is. The
slimimage doesn’t even haveviinstalled, although it does havebash. And of course,git, etc. are not present. Much of the difference could be the size difference between musl and libc, and the size difference betweenapkandaptmetadata.I don’t think OP is going to find a non-musl distro as small as Alpine. These stripped-down Debians are a lot bigger, but among the smallest non-Alpine that you’ll find.
The Wolfi based chainguard images for node are glibc based and come in at 111mb, so its definitely possible.