how install libvips NetVips in Azure cloud - Error:Unable to load DLL \ 'libvips-42.dll\ ' or one of its dependencies

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I can run an azure function app with libvips library from localhost for this function app - manipulation for images output correctly. I setup my local environment by saving libvips win64 in a folder in my windows 10 PC, added libvips bin folder to environment PATH and in Visual studio I installed nuget NetVips, NetVips.Native.win-64.

This is the method I run :

var rgbThumbnail = NetVips.Image.ThumbnailBuffer(thisRGBImgBytes, 256);

I'm trying to run the .Net Core 3.1 V3 function app from azure. When I run from cloud I get "Error:Unable to load DLL \ 'libvips-42.dll\ ' or one of its dependencies. The specified module could not be found . (0x8007007E)"

I had expected for the nuget packages in VS to suffice when uploading to the function app in azure. I've looked on the internet how to install libvips in Azure but I can't find any reference. Can someone please help?

thank you

azure
azure-function-app
vips
asked on Stack Overflow Apr 14, 2020 by Sergio Solorzano • edited Apr 14, 2020 by Sergio Solorzano

1 Answer

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Had similar problems. Libvips is using more then one dll.

Download from https://libvips.github.io/libvips/

Add all dll's then remove one by one. Or directly identify the missing dll.

answered on Stack Overflow Apr 24, 2020 by Vik

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