fix: improve Docker build refs NOISSUE

song_of_the_day/Dockerfile

@@ -1,15 +0,0 @@
-FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
-WORKDIR /App
-
-# Copy everything
-COPY . ./
-# Restore as distinct layers
-RUN dotnet restore
-# Build and publish a release
-RUN dotnet publish -o out
-
-# Build runtime image
-FROM mcr.microsoft.com/dotnet/aspnet:9.0
-WORKDIR /App
-COPY --from=build /App/out .
-ENTRYPOINT ["dotnet", "song_of_the_day.dll"]