Alpine Linux fail / best distro for canvas-prebuilt #31
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Installing https://pkgs.alpinelinux.org/package/edge/main/x86_64/pixman doesn't help, so it's probably wrong bindings stuff. |
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Hm, I've never seen that one, looks like |
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I am newbie about OS-oriented things, so I cannot help here. |
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Chiming in after running into a similar issue: It appears the root problem is that node-canvas-prebuilt is dynamically linked against glibc, whereas alpine uses musl. I've gone through quite a few gymnastics to get node-canvas-prebuilt to run in alpine linux but to no avail. If it were also built against alpine linux, that would be tremendously helpful, however I don't know complicated this would be to add to this project. |
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Specifically, I am using the following script with alpine linux to install glibc within alpine. The breakdown happens, however, when trying to load the prebuilt canvas module - libthai is built against glibc, and that breaks things down. And the error I get when attempting to use canvas-prebuilt: |
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Hm, it doesn't need anything more than glibc though, that should be all you have to do. Maybe see what If you're working in a Docker container it might make more sense to set up the environment for native/regular |
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Unfortunately the package I'm using depends on canvas-prebuilt, however I can try using rewire to hack it together. Here's the |
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If the Did you get |
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I’ve already jettissoned resemble.js and I’m using a pure javascript implementation to do image diffing (https://www.npmjs.com/package/img-diff-js). Problem solved for me, since I don’t need full canvas capabilities. Thank you for your help!
…On Mar 8, 2018, 1:38 PM -0700, Caleb Hearon ***@***.***>, wrote:
If the libc being linked against (musl) is missing all those symbols you're definitely in trouble.
Did you get glibc installed successfully? I wonder where it gets put since it can't be in /usr/lib/libc.so. You could maybe add a step in your docker file that changes all the references to libc in all node_modules/canvas-prebuilt/canvas/build/Release/* to instead point to wherever glibc is. I've not done that on Linux but it should be possible using something like this in the "change soname" section at the bottom
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By pure coincidence I noticed that node-pre-gyp just added support for specifying which libc implementation should be downloaded. So I could potentially add support for musl here... |
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any update on this ? |
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Any news ? Being able to use use it on Alpine would be super helpful. |
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Check this Issue (#77), I think it is the same. |
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Many docker images are based on Alpine Linux because it's super light. I'm talking about node:alpine precisely.
I've installed canvas-prebuilt with version 1.6.5 and got missing libpng. Found issue and it suggested updating to 2.0.0-alpha.
Updating to 2.0.0-alpha fixed libpng issue, but finished with
(it's GitLab.com CI)
So I wonder - is there Alpine Linux fix or I can switch to any other distro, but I would like to know, which distro should I use for image base. There is no info anywhere which distro works best.
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