added nginx.conf to frontend

Author: juzailmlwork

littleX_FE/dockerfile

@@ -0,0 +1 @@
+#TODO: need to include a dockerfile for littleXFE

littleX_FE/nginx.conf

@@ -0,0 +1,47 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    # Enable gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_types
+        text/plain
+        text/css
+        text/xml
+        text/javascript
+        application/javascript
+        application/xml+rss
+        application/json;
+
+    server {
+        listen 80;
+        server_name localhost;
+
+        root /usr/share/nginx/html;
+        index index.html;
+
+        # Handle client-side routing
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+
+        # Cache static assets
+        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
+            expires 1y;
+            add_header Cache-Control "public, immutable";
+        }
+
+        # Security headers
+        add_header X-Frame-Options "SAMEORIGIN" always;
+        add_header X-XSS-Protection "1; mode=block" always;
+        add_header X-Content-Type-Options "nosniff" always;
+        add_header Referrer-Policy "no-referrer-when-downgrade" always;
+        add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'" always;
+    }
+}