chore: Update Dockerfiles for improved containerization

src/services/catalog-service/dockerfile

@@ -1,19 +1,14 @@
 # Build Image
 FROM mcr.microsoft.com/dotnet/sdk:8.0-jammy AS build
-WORKDIR /app
-
-RUN dotnet restore "catalog-service.csproj"
+WORKDIR /build
 COPY . .
-WORKDIR "/app/catalog-service"
-
-RUN dotnet build "catalog-service.csproj" -c Release -o /app/build
-FROM build as publish
-RUN dotnet publish "catalog-service.csproj" -c Release -o /app/publish
+RUN dotnet restore "catalog-service.csproj"
+RUN dotnet publish -c Release -o /app
 
 # Runtime Image
 FROM mcr.microsoft.com/dotnet/aspnet:8.0-jammy-chiseled AS final
 WORKDIR /app
-COPY --from=publish /app .
+COPY --from=build /app .
 ENTRYPOINT ["dotnet", "catalog-service.dll"]
 
 # Build Image