update logic and refactor code

backend/app/nginx.conf

@@ -0,0 +1,45 @@
+server {
+    listen 80;
+    server_name *.lxdapp.local lxdapp.local;
+
+    root /var/www/html/lxd-app/backend/app/public;  # Adjust this to your Slim project's public folder
+    index index.php index.html index.htm;
+
+    # Reverse proxy to Vue.js for /app/ route
+    location ^~ /app/ {
+        proxy_pass http://127.0.0.1:3000/app/;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host $host;
+        proxy_cache_bypass $http_upgrade;
+
+        # rewrite ^/app/(/.*)$ $1 break;
+    }
+
+    # (Optional: Serve static assets directly if needed)
+    # location /app/_nuxt/ {
+    #     proxy_pass http://127.0.0.1:3000;
+    # }
+
+    # Handle PHP Slim
+    location / {
+        try_files $uri $uri/ /index.php?$query_string;
+    }
+    # Pass PHP scripts to PHP-FPM
+    location ~ \.php$ {
+        include snippets/fastcgi-php.conf;
+        fastcgi_pass unix:/run/php/php8.4-fpm.sock;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        include fastcgi_params;
+    }
+
+    # Static file optimization (optional)
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot|otf)$ {
+        expires 30d;
+        access_log off;
+    }
+
+    error_log /var/log/nginx/tutorial_error.log;
+    access_log /var/log/nginx/tutorial_access.log;
+}