fix

AutoTurnOver.DownloadService/Dockerfile

-FROM microsoft/dotnet:2.1-aspnetcore-runtime AS base
+#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+FROM mcr.microsoft.com/dotnet/runtime:2.1 AS base
 WORKDIR /app
 RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' >/etc/timezone
 EXPOSE 80
@@ -8,8 +10,7 @@ EXPOSE 443
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends libgdiplus libc6-dev 
 
-
-FROM microsoft/dotnet:2.1-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/sdk:2.1 AS build
 WORKDIR /src
 COPY ["AutoTurnOver.DownloadService/AutoTurnOver.DownloadService.csproj", "AutoTurnOver.DownloadService/"]
 COPY ["AutoTurnOver.DB/AutoTurnOver.DB.csproj", "AutoTurnOver.DB/"]

AutoTurnOver.DownloadService/Dockerfile.original

+FROM microsoft/dotnet:2.1-aspnetcore-runtime AS base
+WORKDIR /app
+RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' >/etc/timezone
+EXPOSE 80
+EXPOSE 443
+
+# RUN ln -s /lib/x86_64-linux-gnu/libdl-2.24.so /lib/x86_64-linux-gnu/libdl.so
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends libgdiplus libc6-dev 
+
+
+FROM microsoft/dotnet:2.1-sdk-alpine AS build
+WORKDIR /src
+COPY ["AutoTurnOver.DownloadService/AutoTurnOver.DownloadService.csproj", "AutoTurnOver.DownloadService/"]
+COPY ["AutoTurnOver.DB/AutoTurnOver.DB.csproj", "AutoTurnOver.DB/"]
+COPY ["AutoTurnOver.Utility/AutoTurnOver.Utility.csproj", "AutoTurnOver.Utility/"]
+COPY ["AutoTurnOver.Models/AutoTurnOver.Models.csproj", "AutoTurnOver.Models/"]
+COPY ["AutoTurnOver.Services/AutoTurnOver.Services.csproj", "AutoTurnOver.Services/"]
+RUN dotnet restore "AutoTurnOver.DownloadService/AutoTurnOver.DownloadService.csproj"
+COPY . .
+WORKDIR "/src/AutoTurnOver.DownloadService"
+RUN dotnet build "AutoTurnOver.DownloadService.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "AutoTurnOver.DownloadService.csproj" -c Release -o /app/publish
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "AutoTurnOver.DownloadService.dll"]
\ No newline at end of file