no message

src/Bailun.Discuz.Service/Dockerfile

 #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/core/aspnet:2.2 AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:2.2-stretch-slim AS base
 WORKDIR /app
 RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' >/etc/timezone
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:2.2 AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:2.2-stretch AS build
 WORKDIR /src
 COPY ["src/Bailun.Discuz.Service/Bailun.Discuz.Service.csproj", "src/Bailun.Discuz.Service/"]
 COPY ["src/Bailun.Discuz.EFCore/Bailun.Discuz.EFCore.csproj", "src/Bailun.Discuz.EFCore/"]
@@ -14,12 +14,12 @@ COPY ["src/Bailun.Discuz.Application/Bailun.Discuz.Application.csproj", "src/Bai
 RUN dotnet restore "src/Bailun.Discuz.Service/Bailun.Discuz.Service.csproj"
 COPY . .
 WORKDIR "/src/src/Bailun.Discuz.Service"
-RUN dotnet build "Bailun.Discuz.Service.csproj" -c Release -o /app/build
+RUN dotnet build "Bailun.Discuz.Service.csproj" -c Release -o /app
 
 FROM build AS publish
-RUN dotnet publish "Bailun.Discuz.Service.csproj" -c Release -o /app/publish
+RUN dotnet publish "Bailun.Discuz.Service.csproj" -c Release -o /app
 
 FROM base AS final
 WORKDIR /app
-COPY --from=publish /app/publish .
+COPY --from=publish /app .
 ENTRYPOINT ["dotnet", "/src/src/Bailun.Discuz.Service.dll"]
\ No newline at end of file