server {
    listen 80;
    server_name _;
    root /var/www/html/public;
    index index.php index.html;

    # 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;

    # Handle large file uploads
    client_max_body_size 1024M;
    client_body_timeout 120s;
    fastcgi_read_timeout 300s;

    # Serve static files
    location ~* \.(jpg|jpeg|png|gif|ico|css|js|pdf|txt|tar|gz)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }

    # Handle Laravel routes
    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    # PHP-FPM Configuration
    location ~ \.php$ {
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
        include fastcgi_params;
        
        # Increase timeouts for large uploads
        fastcgi_read_timeout 300s;
        fastcgi_send_timeout 300s;
        fastcgi_connect_timeout 300s;
        fastcgi_buffer_size 128k;
        fastcgi_buffers 4 256k;
        fastcgi_busy_buffers_size 256k;
    }

    # Deny access to hidden files
    location ~ /\. {
        deny all;
    }

    # Health check endpoint
    location /health {
        access_log off;
        return 200 "healthy\n";
        add_header Content-Type text/plain;
    }

    # Block access to sensitive files
    location ~* \.(env|log|ini)$ {
        deny all;
    }

    # Block access to vendor directory
    location ~ /vendor/ {
        deny all;
    }
}