AzureDevopsPipeline-在构建上下文中找不到文件

在 Azure DevOps Pipeline 中出现错误：

Step 7/17 : COPY ["demo6/demo6.csproj", "demo6/"]
COPY failed: file not found in build context or excluded by .dockerignore: stat demo6/demo6.csproj: file does not exist

NOTES-在诊断模式下运行管道并且 .sln 文件存在

##[debug]cwd=/home/vsts/work/1/s
##[debug]  /home/vsts/work/1/s/demo6.sln (file)
##[debug]  /home/vsts/work/1/s/demo6/demo6.csproj (file)

我有一个多项目的 Asp.Net Core 解决方案，文件夹结构和项目如下：

demo6
 |--demo6/demo6.csproj
 |--demo6.api/demo6.api.csproj

该应用程序是 demo6，它引用了 demo6.api，它是一个类库。

这是在 GitHub 中的存储库 demo6。我修改了自动生成的 Dockerfile 以添加额外的 demo6/ 以查看是否有效，但没有。

感谢任何帮助。

Dockerfile 如下：

FROM mcr.microsoft.com/dotnet/aspnet:3.1 AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443

FROM mcr.microsoft.com/dotnet/sdk:3.1 AS build
WORKDIR /src
COPY ["demo6/demo6.csproj", "demo6/"]
RUN dotnet restore "demo6/demo6.csproj"
COPY . .
WORKDIR "/src/demo6"
RUN dotnet build "demo6.csproj" -c Release -o /app/build

FROM build AS publish
RUN dotnet publish "demo6.csproj" -c Release -o /app/publish

FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "demo6.dll"]

也试过这个：

FROM mcr.microsoft.com/dotnet/aspnet:3.1 AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443

FROM mcr.microsoft.com/dotnet/sdk:3.1 AS build
WORKDIR /src
COPY ["demo6/demo6/demo6.csproj", "ddemo6/"]
RUN dotnet restore "ddemo6/demo6.csproj"
COPY . .
WORKDIR "/src/ddemo6"
RUN dotnet build "demo6.csproj" -c Release -o /app/build

FROM build AS publish
RUN dotnet publish "demo6.csproj" -c Release -o /app/publish

FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "demo6.dll"]

得到这个错误：

Step 7/17 : COPY ["demo6/demo6/demo6.csproj", "ddemo6/"]
COPY failed: file not found in build context or excluded by .dockerignore: stat demo6/demo6/demo6.csproj: file does not exist
##[error]COPY failed: file not found in build context or excluded by .dockerignore: stat demo6/demo6/demo6.csproj: file does not exist

这是回购结构