# https://hub.docker.com/_/microsoft-dotnet-core FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build WORKDIR /source # copy csproj and restore as distinct layers #COPY *.sln . COPY SignalRChat/*.csproj ./aspnetapp/ WORKDIR /source/aspnetapp RUN dotnet restore # copy everything else and build app COPY SignalRChat/. ./aspnetapp/ WORKDIR /source/aspnetapp RUN dotnet publish -c release -o /app --no-restore # final stage/image FROM mcr.microsoft.com/dotnet/aspnet:5.0 WORKDIR /app COPY --from=build /app ./ ENTRYPOINT ["dotnet", "SignalRChat.dll"]