FROM microsoft/dotnet:2.1-sdk-nanoserver-1809 as builder WORKDIR /Worker COPY Worker/Worker.csproj . RUN dotnet restore COPY /Worker . RUN dotnet publish -c Release -o /out Worker.csproj # app image FROM microsoft/dotnet:2.1-aspnetcore-runtime-nanoserver-1809 WORKDIR /app ENTRYPOINT ["dotnet", "Worker.dll"] COPY --from=builder /out .