title: Azure DevOps Build Pipeline : COPY failed: stat .. no such file or directory
body: <p>I have a VS 2019 solution containing three .Net Core 3.x Web Api projects that is checked into a Git repo. </p>
  
  <p>I created a build pipeline In Azure DevOps via the wizard targeting my Azure AKS cluster. </p>
  
  <p>The following pipeline YAML file was created..</p>
  
  <p><a href="https://i.stack.imgur.com/stGlN.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/stGlN.png" alt="enter image description here"></a></p>
  
  <p>While running this pipeline, I receive the following exception when it attempts to copy the Web API project files as noted in log below.</p>
  
  <pre><code>Step 6/38 : COPY ["BoundedContexts/BC1/API/NextWare.AppBuilder.BC1.API.csproj", "BoundedContexts/BC1/API/"]
  
  COPY failed: stat /var/lib/docker/tmp/docker-builder568816228/BoundedContexts/BC1/API/NextWare.AppBuilder.BC1.API.csproj: no such file or directory
  </code></pre>
  
  <p>The file is is in the repository as viewed via Repository Viewer in Azure DevOps</p>
  
  <p><a href="https://i.stack.imgur.com/wrNot.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wrNot.png" alt="enter image description here"></a></p>
  
  <p>This is the docker file that is failing in Azure DevOps pipeline...</p>
  
  <pre><code>FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS base
  WORKDIR /app
  EXPOSE 80
  
  FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
  WORKDIR /src
  COPY ["BoundedContexts/BC1/API/NextWare.AppBuilder.BC1.API.csproj", "BoundedContexts/BC1/API/"]
  COPY ["Infrastructure/NextWare.Infrastructure.EventStore/NextWare.Infrastructure.EventStore.csproj", "Infrastructure/NextWare.Infrastructure.EventStore/"]
  COPY ["Infrastructure/NextWare.Infrastructure/NextWare.Infrastructure.csproj", "Infrastructure/NextWare.Infrastructure/"]
  COPY ["Infrastructure/NextWare.Infrastructure.EventBus/NextWare.Infrastructure.EventBus.csproj", "Infrastructure/NextWare.Infrastructure.EventBus/"]
  COPY ["Infrastructure/NextWare.Infrastructure.EventBus.RabbitMQ/NextWare.Infrastructure.EventBus.RabbitMQ.csproj", "Infrastructure/NextWare.Infrastructure.EventBus.RabbitMQ/"]
  COPY ["Infrastructure/NextWare.Infrastructure.Resilience/NextWare.Infrastructure.Resilience.csproj", "Infrastructure/NextWare.Infrastructure.Resilience/"]
  COPY ["BoundedContexts/BC1/DomainExceptions/NextWare.AppBuilder.BC1.Domain.Exceptions.csproj", "BoundedContexts/BC1/DomainExceptions/"]
  COPY ["BoundedContexts/SharedKernel/NextWare.AppBuilder.SharedKernel.Domain.csproj", "BoundedContexts/SharedKernel/"]
  COPY ["Infrastructure/NextWare.Infrastructure.EventBus.ServiceBus/NextWare.Infrastructure.EventBus.ServiceBus.csproj", "Infrastructure/NextWare.Infrastructure.EventBus.ServiceBus/"]
  COPY ["BoundedContexts/BC1/Application/NextWare.AppBuilder.BC1.Application.csproj", "BoundedContexts/BC1/Application/"]
  COPY ["BoundedContexts/BC1/Infrastructure/NextWare.AppBuilder.BC1.Domain.Infrastructure.csproj", "BoundedContexts/BC1/Infrastructure/"]
  COPY ["BoundedContexts/BC1/Domain/NextWare.AppBuilder.BC1.Domain.csproj", "BoundedContexts/BC1/Domain/"]
  COPY ["BoundedContexts/SharedServices/Domain/NextWare.AppBuilder.SharedServices.Domain.csproj", "BoundedContexts/SharedServices/Domain/"]
  COPY ["BoundedContexts/SharedServices/DomainExceptions/NextWare.AppBuilder.SharedServices.Domain.Exceptions.csproj", "BoundedContexts/SharedServices/DomainExceptions/"]
  COPY ["Infrastructure/NextWare.Infrastructure.WebHost/NextWare.Infrastructure.WebHost.csproj", "Infrastructure/NextWare.Infrastructure.WebHost/"]
  COPY ["Infrastructure/NextWare.Infrastructure.EventBus.Kafka/NextWare.Infrastructure.EventBus.Kafka.csproj", "Infrastructure/NextWare.Infrastructure.EventBus.Kafka/"]
  RUN dotnet restore "BoundedContexts/BC1/API/NextWare.AppBuilder.BC1.API.csproj"
  COPY . .
  WORKDIR "/src/BoundedContexts/BC1/API"
  RUN dotnet build "NextWare.AppBuilder.BC1.API.csproj" -c Release -o /app/build
  
  FROM build AS publish
  RUN dotnet publish "NextWare.AppBuilder.BC1.API.csproj" -c Release -o /app/publish
  
  FROM base AS final
  WORKDIR /app
  COPY --from=publish /app/publish .
  ENTRYPOINT ["dotnet", "NextWare.AppBuilder.BC1.API.dll"]
  </code></pre>
  
  <p>I am able to build and run this solution within Docker for Windows on my local dev env.  </p>
  
  <p>Why am I getting this error?</p>