fix dockerfile build error

Dockerfile

@@ -6,15 +6,16 @@ RUN apt-get update && apt-get install -y nodejs npm python3 make g++ && rm -rf /
 
 COPY ./src/ .
 
-# Install frontend dependencies before dotnet build
-RUN npm install --prefix ./GreenHome.Web
+# Use npm ci for clean install based on package-lock.json
+RUN cd ./GreenHome.Web && \
+    npm ci
 
 RUN dotnet restore --verbosity detailed
-RUN dotnet publish  -c Release -o /app
+RUN dotnet publish -c Release -o /app
 
 FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS runtime
 WORKDIR /app
 COPY --from=build /app .
 RUN mkdir -p /app/My_StaticFiles
 RUN mkdir -p /app/files
-ENTRYPOINT ["dotnet", "GreenHome.Api.dll"]
+ENTRYPOINT ["dotnet", "GreenHome.Api.dll"]