FROM microsoft/aspnetcore-build:latest AS build-env WORKDIR /app # copy csproj and restore as distinct layers COPY *.csproj ./ RUN dotnet restore # copy everything else and build COPY . ./ RUN dotnet publish -c Release -o out # build runtime image FROM microsoft/dotnet:latest WORKDIR /app COPY --from=build-env /app/out . ENTRYPOINT ["dotnet", "APT.WebApi.dll"]