security: sanitize hardcoded values with placeholders for public repo

nginx.conf

@@ -0,0 +1,17 @@
+server {
+    listen 80;
+    server_name _;
+
+    # Serve the frontend static files
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Serve all requests as static files
+    location / {
+        try_files $uri /index.html;
+    }
+
+    # Logs for debugging (optional)
+    access_log /var/log/nginx/access.log;
+    error_log /var/log/nginx/error.log;
+}