FROM mcr.microsoft.com/dotnet/core/sdk:2.2-stretch as debug #install debugger for NET Core RUN apt-get update RUN apt-get install -y unzip RUN curl -sSL https://aka.ms/getvsdbgsh | /bin/sh /dev/stdin -v latest -l ~/vsdbg RUN mkdir /work/ WORKDIR /work/ COPY ./src/work.csproj /work/work.csproj RUN dotnet restore COPY ./src/ /work/ RUN mkdir /out/ RUN dotnet publish --no-restore --output /out/ --configuration Release CMD dotnet run ###########START NEW IMAGE########################################### FROM mcr.microsoft.com/dotnet/core/aspnet:2.2-stretch-slim as prod RUN mkdir /app/ WORKDIR /app/ COPY --from=dev /out/ /app/ RUN chmod +x /app/ CMD dotnet work.dll