server {
    listen 80;
    server_name q.gwalrus.com;

    # 日志配置
    access_log /var/log/nginx/q.gwalrus.com.access.log;
    error_log /var/log/nginx/q.gwalrus.com.error.log;

    # 客户端最大上传大小（与后端保持一致 500MB）
    client_max_body_size 500m;

    # HTTP 强制跳转 HTTPS
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name q.gwalrus.com;

    # SSL 证书配置（使用 Let's Encrypt）
    ssl_certificate /etc/letsencrypt/live/q.gwalrus.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/q.gwalrus.com/privkey.pem;

    # SSL 安全配置
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;

    # 日志配置
    access_log /var/log/nginx/q.gwalrus.com.access.log;
    error_log /var/log/nginx/q.gwalrus.com.error.log;

    # 客户端最大上传大小（与后端保持一致 500MB）
    client_max_body_size 500m;

    # 安全响应头
    add_header X-Content-Type-Options nosniff always;
    add_header X-Frame-Options DENY always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    location / {
        proxy_pass http://127.0.0.1:3344;
        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;

        # WebSocket 支持（如需要）
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}