# Production performance optimizations
gzip on;
gzip_vary on;
gzip_proxied any;
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;

# Brotli (if available)
brotli on;
brotli_comp_level 6;
brotli_types text/plain text/css text/xml application/json application/javascript application/rss+xml application/atom+xml image/svg+xml;

# Cache static files
location ~* \.(jpg|jpeg|png|gif|ico|css|js|woff|woff2|ttf|svg)$ {
    expires 30d;
    add_header Cache-Control "public, immutable";
}

# Security headers
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-XSS-Protection "1; mode=block" always;