server {
    listen 80;
    server_name dnd.jezzahehn.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name dnd.jezzahehn.com;

    ssl_certificate /etc/letsencrypt/live/dnd.jezzahehn.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/dnd.jezzahehn.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    # Security headers
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "DENY" always;

    location / {
        proxy_pass http://127.0.0.1:8000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # Long timeout for large responses
        proxy_read_timeout 30s;
        proxy_send_timeout 30s;

        # Increase buffer for API responses
        proxy_buffers 8 64k;
        proxy_buffer_size 64k;
    }

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

    access_log /var/log/nginx/dnd-api-access.log;
    error_log /var/log/nginx/dnd-api-error.log;
}