FROM mcr.microsoft.com/dotnet/core/sdk:2.1 AS build WORKDIR /app # copy csproj and restore as distinct layers COPY *.sln . COPY aspnetapp/*.csproj ./aspnetapp/ RUN dotnet restore # copy everything else and build app COPY aspnetapp/. ./aspnetapp/ WORKDIR /app/aspnetapp RUN dotnet publish -c Release -o out FROM mcr.microsoft.com/dotnet/core/aspnet:2.1 AS runtime WORKDIR /app COPY --from=build /app/aspnetapp/out ./ ENTRYPOINT ["dotnet", "aspnetapp.dll"]