server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    # Настройки для работы за reverse proxy (Coolify/Traefik)
    real_ip_header X-Forwarded-For;
    real_ip_recursive on;
    set_real_ip_from 0.0.0.0/0;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml+rss application/json application/javascript;

    # Security headers для HTTPS
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # SPA routing support - все запросы направляются на index.html
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Кэширование статических ресурсов
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Не кэшируем HTML
    location ~* \.html$ {
        expires -1;
        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0";
    }
}