# NewAPI Nginx 反向代理配置示例
# 请根据实际情况修改域名和SSL证书路径

upstream newapi_backend {
    server 127.0.0.1:3000;
    # 如果有多个实例，可以添加更多server
    # server 127.0.0.1:3001;
}

# HTTP重定向到HTTPS
server {
    listen 80;
    server_name your-domain.com www.your-domain.com;
    
    # Let's Encrypt证书验证路径
    location /.well-known/acme-challenge/ {
        root /var/www/html;
    }
    
    # 其他请求重定向到HTTPS
    location / {
        return 301 https://$server_name$request_uri;
    }
}

# HTTPS配置
server {
    listen 443 ssl http2;
    server_name your-domain.com www.your-domain.com;
    
    # SSL证书配置
    ssl_certificate /etc/ssl/certs/your-domain.com.crt;
    ssl_certificate_key /etc/ssl/private/your-domain.com.key;
    
    # SSL安全配置
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384;
    ssl_prefer_server_ciphers off;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;
    
    # 安全头
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Frame-Options DENY;
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";
    add_header Referrer-Policy "strict-origin-when-cross-origin";
    
    # 客户端最大上传大小
    client_max_body_size 10M;
    
    # 代理配置
    location / {
        proxy_pass http://newapi_backend;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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;
        proxy_cache_bypass $http_upgrade;
        
        # 超时设置
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # 缓冲设置
        proxy_buffering on;
        proxy_buffer_size 4k;
        proxy_buffers 8 4k;
    }
    
    # 静态文件缓存
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        proxy_pass http://newapi_backend;
        expires 1y;
        add_header Cache-Control "public, immutable";
        add_header Vary Accept-Encoding;
    }
    
    # API请求特殊处理
    location /api/ {
        proxy_pass http://newapi_backend;
        proxy_http_version 1.1;
        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;
        
        # API请求超时设置（可能需要更长时间）
        proxy_connect_timeout 120s;
        proxy_send_timeout 120s;
        proxy_read_timeout 120s;
    }
    
    # 健康检查
    location /health {
        proxy_pass http://newapi_backend/api/status;
        access_log off;
    }
}