Fix: Use nginx for Blazor WASM instead of aspnet runtime

src/BackOffice/Dockerfile

@@ -1,24 +1,24 @@
-FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
-USER $APP_UID
-WORKDIR /app
-EXPOSE 8080
-EXPOSE 8081
-
 FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
-ARG BUILD_CONFIGURATION=Release
 WORKDIR /src
 COPY ["BackOffice/NuGet.config", "NuGet.config"]
 COPY ["BackOffice/BackOffice.csproj", "BackOffice/"]
 RUN dotnet restore "BackOffice/BackOffice.csproj" --configfile NuGet.config
 COPY . .
 WORKDIR "/src/BackOffice"
-RUN dotnet build "./BackOffice.csproj" -c $BUILD_CONFIGURATION -o /app/build
+RUN dotnet publish "./BackOffice.csproj" -c Release -o /app/publish
 
-FROM build AS publish
+FROM nginx:alpine AS final
-ARG BUILD_CONFIGURATION=Release
+WORKDIR /usr/share/nginx/html
-RUN dotnet publish "./BackOffice.csproj" -c $BUILD_CONFIGURATION -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 _;
     
-FROM base AS final
+    location / {
-WORKDIR /app
+        root /usr/share/nginx/html;
-COPY --from=publish /app/publish .
+        try_files $uri $uri/ /index.html;
-ENTRYPOINT ["dotnet", "BackOffice.dll"]
+    }
+}
+NGINX_CONF
+EXPOSE 80