fix build

Author: marcel-dempers

c#/dockerfile

@@ -23,6 +23,6 @@ FROM mcr.microsoft.com/dotnet/core/aspnet:2.2-stretch-slim as prod
 
 RUN mkdir /app/
 WORKDIR /app/
-COPY --from=dev /out/ /app/
+COPY --from=debug /out/ /app/
 RUN chmod +x /app/ 
 CMD dotnet work.dll