ci: init Dockerfile [skip ci]
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# 由 projman 注入的 .NET 运行镜像(多阶段:sdk 容器内 restore/publish -> aspnet 运行)
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# 构建上下文 = 仓库根:docker build -f docker/Dockerfile .
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# 通用约定:仓库根含 .sln 或唯一 .csproj(dotnet publish 无参推断入口);
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# 入口程序集按产物 *.deps.json 推断(X.deps.json <-> X.dll),无须硬编码项目名;
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# 多可执行项目/特殊布局(如子目录为主项目)请自备本文件——已写则 projman 尊重不覆盖。
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# DOTNET_VERSION 默认 5.0(平台现有 .NET 应用均为 5.0);版本不合时可在仓库自带文件里
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# 用 --build-arg 覆盖(注入模板不支持外部传参,版本不合请自备)。
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ARG DOTNET_VERSION=5.0
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# ---- 构建阶段 ----
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FROM mcr.microsoft.com/dotnet/sdk:${DOTNET_VERSION} AS build
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WORKDIR /src
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# 通用模板无法预知项目结构,整仓拷入一次构建(自备 Dockerfile 可按 csproj 分层命中缓存)
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COPY . .
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RUN dotnet publish -c Release -o /app /p:UseAppHost=false
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# 推断入口:产物中 X.deps.json 对应可执行 X.dll(取第一个;多可执行项目需自备 Dockerfile)
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RUN set -e; entry=$(ls /app/*.deps.json | head -1 | sed 's/\.deps\.json$//'); \
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echo "exec dotnet ${entry}.dll" > /app/entrypoint.sh
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# ---- 运行阶段 ----
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FROM mcr.microsoft.com/dotnet/aspnet:${DOTNET_VERSION} AS runtime
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# curl 供 projman compose healthcheck(test: CMD curl -f ...)使用;tzdata 设上海时区
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends curl tzdata \
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&& ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
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&& echo "Asia/Shanghai" > /etc/timezone \
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&& rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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COPY --from=build /app/ .
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ENV TZ=Asia/Shanghai
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ENV ASPNETCORE_ENVIRONMENT=Production
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ENV ASPNETCORE_URLS=http://+:10003
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EXPOSE 10003
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ENTRYPOINT ["sh", "/app/entrypoint.sh"]
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