feat(deploy): add secure production deployment configuration (Nginx, Docker Compose)

nginx/conf.d/default.conf

@@ -0,0 +1,31 @@
+server {
+    listen 80;
+    server_name _; # Accept any domain name (or we can specify the demoplace domain later)
+    
+    server_tokens off; # Hide NGINX version
+
+    # 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' 'unsafe-eval';" always;
+
+    # Rate Limiting zone configuration should be in nginx.conf (http block), but we can configure basic protection
+    # We will pass everything to the frontend container
+    
+    location / {
+        proxy_pass http://frontend:3000;
+        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;
+        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;
+
+        # Hide internal technologies from being sent back to the client
+        proxy_hide_header X-Powered-By;
+    }
+}