CODEWITHSUNDEEP
docker.net-coredockerfileasp.net-core-3.1
Don Sartain
Don Sartain

Reputation: 617

Docker did not find any installed .NET Core SDKs

I have looked at other posts related to this and couldn't resolve the issue.

Docker File:

FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-env
WORKDIR /app

# Copy csproj and restore as distinct layers
COPY webapp/*.csproj ./
RUN dotnet restore

# Copy everything else and build
COPY ./webapp ./
RUN dotnet publish -c Release -o out

# Build runtime image
FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim
WORKDIR /app
COPY --from=build-env /app/out .
ENTRYPOINT [ "dotnet", "weppapp.dll" ]

Local version of .NET Core:

PS C:\Repository\AzureCLIScripts\AZ203\ContainerizedSolutions> dotnet --version
3.1.201

I'm following along a training course on Docker, primarily related to the AZ-203 course, so I'm sure the original code is for .NET Core 2.1. I've researched as best I can, but can't seem to get the app to run inside of docker, when it runs fine locally.

When I run the following I get the error below:

PS C:\Repository\AzureCLIScripts\AZ203\ContainerizedSolutions> docker run -p 8081:80 --name mywebapp webapp

  It was not possible to find any installed .NET Core SDKs
  Did you mean to run .NET Core SDK commands? Install a .NET Core SDK from:
      https://aka.ms/dotnet-download

Any suggestions?

Upvotes: 0

Views: 3218

Answers (1)

kvp2982
kvp2982

Reputation: 151

This happened to me when I changed the assembly name in the project but forgot to change it in the Dockerfile. Assembly name is in the project properties. Project properties

Upvotes: 3

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