Fix: Revert to aspnet runtime for Blazor Server with gRPC

src/FrontOffice.Main/Dockerfile

@@ -1,3 +1,7 @@
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
+WORKDIR /app
+EXPOSE 8080
+
 FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
 WORKDIR /src
 COPY ["FrontOffice.Main/NuGet.config", "NuGet.config"]
@@ -5,20 +9,14 @@ COPY ["FrontOffice.Main/FrontOffice.Main.csproj", "FrontOffice.Main/"]
 RUN dotnet restore "FrontOffice.Main/FrontOffice.Main.csproj" --configfile NuGet.config
 COPY . .
 WORKDIR "/src/FrontOffice.Main"
-RUN dotnet publish "./FrontOffice.Main.csproj" -c Release -o /app/publish
+RUN dotnet build "./FrontOffice.Main.csproj" -c Release -o /app/build
 
-FROM nginx:alpine AS final
+FROM build AS publish
-WORKDIR /usr/share/nginx/html
+RUN dotnet publish "./FrontOffice.Main.csproj" -c Release -o /app/publish /p:UseAppHost=false
-COPY --from=build /app/publish/wwwroot .
-COPY <<'NGINX_CONF' /etc/nginx/conf.d/default.conf
-server {
-    listen 80;
-    server_name _;
 
-    location / {
+FROM base AS final
-        root /usr/share/nginx/html;
+WORKDIR /app
-        try_files $uri $uri/ /index.html;
+COPY --from=publish /app/publish .
-    }
+
-}
+ENV ASPNETCORE_URLS=http://+:8080
-NGINX_CONF
+ENTRYPOINT ["dotnet", "FrontOffice.Main.dll"]
-EXPOSE 80