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Kubernetes 找不到兼容版本(dotnet)

[英]Kubernetes no compatible version found (dotnet)

當我在 Google Cloud>Workloads 中部署我的應用程序時,日志資源管理器中出現錯誤

找不到任何兼容的框架版本

找不到框架“Microsoft.NETCore.App”,版本“3.1.0”。

找到以下框架:5.0.4 at [/usr/share/dotnet/shared/Microsoft.NETCore.App]

您可以通過安裝指定的框架和/或 SDK 來解決問題。

可以在以下位置找到指定的框架:

https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=3.1.0&arch=x64&rid=debian.10-x64

我的 Dockerfile:

FROM mcr.microsoft.com/dotnet/sdk

COPY . /app

WORKDIR /app

RUN dotnet publish -c Release -o out

COPY /out .

ENTRYPOINT ["dotnet", "Test.dll"]

這是應該運行的代碼

using System;
using System.IO;
using System.Net;
using System.Net.Sockets;


namespace Server
{
    class Program
    {
        private static TcpListener tcpListener;
        public static void Main(string[] args)
        {
            
            tcpListener = new TcpListener(IPAddress.Any, 26950);
   
            tcpListener.Start();
         
            tcpListener.BeginAcceptTcpClient(TCPConnectCallback, null);
            Console.ReadKey();
           
        }
        private static void TCPConnectCallback(IAsyncResult _result)
        {
            TcpClient _client = tcpListener.EndAcceptTcpClient(_result);
            tcpListener.BeginAcceptTcpClient(TCPConnectCallback, null);
        }
    }
}

解決方案:

FROM mcr.microsoft.com/dotnet/sdk:3.1 WORKDIR /app

COPY . .

ENTRYPOINT ["dotnet", "run"]

您正在使用sdk的最新圖像,在這種情況下是版本5.0.4 您需要將其3.1.0用作您的應用程序:

FROM mcr.microsoft.com/dotnet/core/sdk:3.1

嘗試以下 Dockerfile 之一:

FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster
WORKDIR /app
COPY ./bin/Debug/netcoreapp3.1 .
EXPOSE 80
ENV ASPNETCORE_URLS "http://*:80"
ENTRYPOINT ["dotnet", "Test.dll"]

或者

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

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

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

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

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