添加项目文件。

.dockerignore

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+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/azds.yaml
+**/bin
+**/charts
+**/docker-compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md
+!**/.gitignore
+!.git/HEAD
+!.git/config
+!.git/packed-refs
+!.git/refs/heads/**

ConsoleApp2.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+    <DockerfileContext>.</DockerfileContext>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.23.0" />
+  </ItemGroup>
+
+</Project>

ConsoleApp2.slnx

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+<Solution>
+  <Project Path="ConsoleApp2.csproj" />
+</Solution>

Dockerfile

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+# 请参阅 https://aka.ms/customizecontainer 以了解如何自定义调试容器，以及 Visual Studio 如何使用此 Dockerfile 生成映像以更快地进行调试。
+
+# 此阶段用于在快速模式(默认为调试配置)下从 VS 运行时
+FROM mcr.microsoft.com/dotnet/runtime:8.0 AS base
+USER $APP_UID
+WORKDIR /app
+
+
+# 此阶段用于生成服务项目
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+ARG BUILD_CONFIGURATION=Release
+WORKDIR /src
+COPY ["ConsoleApp2.csproj", "."]
+RUN dotnet restore "./ConsoleApp2.csproj"
+COPY . .
+WORKDIR "/src/."
+RUN dotnet build "./ConsoleApp2.csproj" -c $BUILD_CONFIGURATION -o /app/build
+
+# 此阶段用于发布要复制到最终阶段的服务项目
+FROM build AS publish
+ARG BUILD_CONFIGURATION=Release
+RUN dotnet publish "./ConsoleApp2.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false
+
+# 此阶段在生产中使用，或在常规模式下从 VS 运行时使用(在不使用调试配置时为默认值)
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "ConsoleApp2.dll"]

Program.cs

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+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");

Properties/launchSettings.json

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+{
+  "profiles": {
+    "ConsoleApp2": {
+      "commandName": "Project"
+    },
+    "Container (Dockerfile)": {
+      "commandName": "Docker"
+    }
+  }
+}