server {
    listen 80;
    
    # Compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
    
    # Root directory and index file
    root /usr/share/nginx/html;
    index index.html index.htm;
    
    # Handle React Router
    location / {
        try_files $uri $uri/ /index.html;
    }
    
    # Cache static assets
    location ~* \.(jpg|jpeg|png|gif|ico|css|js|svg)$ {
        expires 30d;
        add_header Cache-Control "public, no-transform";
    }
    
    # Error pages
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }
}