CODEWITHSUNDEEP
dockerraspberry-pi.net-6.0
user2404597
user2404597

Reputation: 508

.NET Core Docker Image for Linux-arm (Raspberry pi)

I made a simple .Net 6.0 console app and i built it using dotnet publish command with the flag of linux-arm

dotnet pubish -c release -r linux-arm

Above generates the linux ARM dll's.

Then I created an image for it using Dockerfile

FROM mcr.microsoft.com/dotnet/runtime:6.0
 COPY bin/Release/net6.0/linux-arm /MyDockerApp
 WORKDIR /MyDockerApp
   ENTRYPOINT ["dotnet", "DockerTest.dll"]

(I am not building it, since my code is already built for arm-v7 using dotnet publish)

Now I am trying to run this image as a container on my Raspberry pi (which is Arm/Linux/v7) and i am getting below error.

WARNING: The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm/v7) and no specific platform was requested standard_init_linux.go:228: exec user process caused: exec format error

How can I compile it so I can run it on my Raspberrypi 4 (I dont want to build my code on Raspberry pi, I just want to use the RunTime).

Upvotes: 0

Views: 4200

Answers (1)

AndrewSilver
AndrewSilver

Reputation: 1163

Use corresponding ARM .NET runtime image for your RaspberryPI in your Dockerfile

For example, this one should work

FROM mcr.microsoft.com/dotnet/runtime:6.0.0-focal-arm32v7

instead of default

FROM mcr.microsoft.com/dotnet/runtime:6.0

which is for regular PC.

Upvotes: 3

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