Simplify docker build

SC.Service/Dockerfile

@@ -1,22 +1,17 @@
 #See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
-WORKDIR /app
-EXPOSE 80
-
 FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
 WORKDIR /src
 COPY ["SC.Service/SC.Service.csproj", "SC.Service/"]
 RUN dotnet restore "SC.Service/SC.Service.csproj"
 COPY . .
 WORKDIR "/src/SC.Service"
 RUN dotnet build "SC.Service.csproj" -c Release -o /app/build
-
-FROM build AS publish
 RUN dotnet publish "SC.Service.csproj" -c Release -o /app/publish
 
-FROM base AS final
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS final
 LABEL org.opencontainers.image.source="https://github.com/merschformann/sardine-can"
 WORKDIR /app
-COPY --from=publish /app/publish .
+EXPOSE 80
+COPY --from=build /app/publish .
 ENTRYPOINT ["dotnet", "SC.Service.dll"]