Fix HTML rendering for service descriptions, allow zero price for services, improve image_url handling

nginx-prompttech.conf

@@ -8,6 +8,10 @@ server {
     
     # Disable ModSecurity for this site
     modsecurity off;
+    
+    # Buffer sizes
+    large_client_header_buffers 4 32k;
+    client_header_buffer_size 8k;
 
     # Logs
     access_log /var/log/nginx/prompttech-access.log;
@@ -20,17 +24,18 @@ server {
     gzip_comp_level 6;
     gzip_types text/plain text/css text/xml application/json application/javascript application/rss+xml application/atom+xml image/svg+xml;
 
-    # Proxy to React dev server
+    # Serve built React static files
+    root /media/pts/Website/PromptTech_Solution_Site/frontend/build;
+    index index.html index.htm;
+    
     location / {
-        proxy_pass http://127.0.0.1:5300;
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection 'upgrade';
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
-        proxy_cache_bypass $http_upgrade;
+        try_files $uri $uri/ /index.html;
+    }
+    
+    # Static file caching
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
     }
 
     # API proxy to FastAPI backend
@@ -53,4 +58,18 @@ server {
         proxy_send_timeout 300s;
         proxy_read_timeout 300s;
     }
+    
+    # Proxy uploads to backend (media files) - ^~ prevents regex match
+    location ^~ /uploads/ {
+        proxy_pass http://127.0.0.1:8181/uploads/;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        
+        # Cache uploaded media files
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
 }