Mar*_*ing 5 .net c# dockerfile asp.net-core visual-studio-2017
抱歉,如果这是一个愚蠢的问题,但是为什么 dockerfile 在发布也构建时包含构建和发布的步骤?
在我的 Web 应用程序中创建了以下 Dockerfile:
FROM microsoft/dotnet:2.1-aspnetcore-runtime AS base
WORKDIR /app
EXPOSE 80
FROM microsoft/dotnet:2.1-sdk AS build
WORKDIR /src
COPY ["WebApplication1/WebApplication1.csproj", "WebApplication1/"]
RUN dotnet restore "WebApplication1/WebApplication1.csproj"
COPY . .
WORKDIR "/src/WebApplication1"
RUN dotnet build "WebApplication1.csproj" -c Release -o /app
FROM build AS publish
RUN dotnet publish "WebApplication1.csproj" -c Release -o /app
FROM base AS final
WORKDIR /app
COPY --from=publish /app .
ENTRYPOINT ["dotnet", "WebApplication1.dll"]
Run Code Online (Sandbox Code Playgroud)
根据《.NET 微服务:容器化 .NET 应用程序架构》(Microsoft EBook)一书,第一个构建指令是多余的,因为发布指令也会构建,而且它就在第一个构建指令之后。第 94 页 (86),第 10 行。
\n\n以下是这本书的简短摘录:
\n\n1 FROM microsoft/dotnet:2.1-aspnetcore-runtime AS base\n2 WORKDIR /app\n3 EXPOSE 80\n4\n5 FROM microsoft/dotnet:2.1-sdk AS build\n6 WORKDIR /src\n7 COPY src/Services/Catalog/Catalog.API/Catalog.API.csproj \xe2\x80\xa6\n8 COPY src/BuildingBlocks/HealthChecks/src/Microsoft.AspNetCore.HealthChecks \xe2\x80\xa6\n9 COPY src/BuildingBlocks/HealthChecks/src/Microsoft.Extensions.HealthChecks \xe2\x80\xa6\n10 COPY src/BuildingBlocks/EventBus/IntegrationEventLogEF/ \xe2\x80\xa6\n11 COPY src/BuildingBlocks/EventBus/EventBus/EventBus.csproj \xe2\x80\xa6\n12 COPY src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.csproj \xe2\x80\xa6\n13 COPY src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.csproj \xe2\x80\xa6\n14 COPY src/BuildingBlocks/WebHostCustomization/WebHost.Customization \xe2\x80\xa6\n15 COPY src/BuildingBlocks/HealthChecks/src/Microsoft.Extensions \xe2\x80\xa6\n16 COPY src/BuildingBlocks/HealthChecks/src/Microsoft.Extensions \xe2\x80\xa6\n17 RUN dotnet restore src/Services/Catalog/Catalog.API/Catalog.API.csproj\n18 COPY . .\n19 WORKDIR /src/src/Services/Catalog/Catalog.API\n20 RUN dotnet build Catalog.API.csproj -c Release -0 /app\n21\n22 FROM build AS publish\n23 RUN dotnet publish Catalog.API.csproj -c Release -0 /app\n24\n25 FROM base AS final\n26 WORKDIR /app\n27 COPY --from=publish /app\n28 ENTRYPOINT ["dotnet", "Catalog.API.dll"]\n
Run Code Online (Sandbox Code Playgroud)\n\n\n\n对于最终的优化,恰好第 20 行是多余的,\n 因为第 23 行也构建了应用程序,并且本质上是在第 20 行之后\n,因此又出现了另一个耗时的命令。
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