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I've 4 projects (asp.net core 3.0) in a solution (Visual studio 2019). I've add a dockerFile for each projects via (>Add Docker Support), now I'm trying to build the docker Image but each time an error is thrown at the step run dotnet restore : : NuGet.targets(123,5): error : Unable to load the service index for source https://api.nuget.org/v3/index.json, NuGet.targets(123,5): error : No such host is known .

I've seen many solutions on internet and I tried everything but nothing worked :

  • I've already install/uninstall docker
  • I've turn off proxy settings
  • I don't have an environment variable called http_proxy
  • I'm able to open the link https://api.nuget.org/v3/index.json in the browser
  • I've add proxy settings in nuget.config (I've also tried deleting it and let vs recreate it)

I'm kinda stuck here, If anyone has an idea, I'm open to everything !

If you need more infos about what I've tried or else, let me know !

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1 Answers

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