worker_processes auto;

events {
    worker_connections 1024;
    multi_accept on; # Accept multiple connections at once
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    # Optimize file transfers
    sendfile        on;
    tcp_nopush      on;
    tcp_nodelay     on;
    keepalive_timeout  65;
    types {
        text/html html;
        text/css css;
        text/xml xml;
        image/gif gif;
        image/jpeg jpeg jpg;
        application/javascript js;
        application/json json;
        application/xml xml;
        application/rss+xml rss;
        text/plain txt;
    }

    # Improve performance and security
    gzip on;
    gzip_comp_level 6; # Compression level (1-9)
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/rss+xml;
    gzip_proxied any;
    gzip_vary on;
    gzip_disable "msie6"; # Disable gzip for older browsers

    server {
        listen 7860; # Use standard port 80 for HTTP
        server_name chandima-prabath-nectjs-serve.hf.space; # Replace with your actual domain

        location / {
            # Proxy requests to the Next.js application running on port 3000
            proxy_pass http://localhost: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;

            # Add caching headers for static assets
            expires 1d;
            add_header Cache-Control "public";
        }

        # Handle 404 errors
        error_page 404 /404.html;
        location = /404.html {
            root /usr/share/nginx/html;
            internal;
        }

        # Handle 500 errors
        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
            root /usr/share/nginx/html;
            internal;
        }

        # Deny access to sensitive files
        location ~ /\.(ht|git) {
            deny all;
        }
    }
}