fix: Correct Dockerfile for Blazor WASM with nginx runtime

- Changed from aspnet to nginx:alpine
- Copy wwwroot instead of BackOffice.dll
- Configure nginx SPA routing
- Remove incorrect ENTRYPOINT

Dockerfile

@@ -1,15 +1,38 @@
 FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
 WORKDIR /src
-COPY src/*.sln ./ 2>/dev/null || true
-COPY src/*/*.csproj ./
-RUN for file in *.csproj; do mkdir -p "${file%.*}" && mv "$file" "${file%.*}/"; done 2>/dev/null || true
-RUN dotnet restore "BackOffice/BackOffice.csproj" || dotnet restore
-COPY src/ ./
-RUN dotnet publish "BackOffice/BackOffice.csproj" -c Release -o /app/publish
 
-FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS runtime
-WORKDIR /app
-COPY --from=build /app/publish .
-ENV ASPNETCORE_URLS=http://+:8080
-EXPOSE 8080
-ENTRYPOINT ["dotnet", "BackOffice.dll"]
+# Copy project file
+COPY src/BackOffice/BackOffice.csproj ./BackOffice/
+COPY src/BackOffice/NuGet.config ./BackOffice/
+
+# Restore dependencies
+RUN dotnet restore "BackOffice/BackOffice.csproj" --configfile BackOffice/NuGet.config
+
+# Copy source code
+COPY src/BackOffice/ ./BackOffice/
+
+# Build and publish
+WORKDIR "/src/BackOffice"
+RUN dotnet publish "BackOffice.csproj" -c Release -o /app/publish
+
+# Runtime stage - nginx for Blazor WASM
+FROM nginx:alpine AS final
+WORKDIR /usr/share/nginx/html
+
+# Copy published wwwroot
+COPY --from=build /app/publish/wwwroot .
+
+# Configure nginx for SPA routing
+RUN cat > /etc/nginx/conf.d/default.conf << 'NGINX_CONF'
+server {
+    listen 80;
+    server_name _;
+    
+    location / {
+        root /usr/share/nginx/html;
+        try_files $uri $uri/ /index.html;
+    }
+}
+NGINX_CONF
+
+EXPOSE 80