worker_processes auto;  

# 设置最大打开文件数  
worker_rlimit_nofile 65535;  

events {  
    # 每个工作进程的最大连接数  
    worker_connections 65535;  
    
    # 启用多路复用  
    multi_accept on;  
    
    # 使用高效的事件处理模型  
    use epoll;  
}  

http {  

    
    # 连接超时设置  
    keepalive_timeout 65;  
    keepalive_requests 100;  

    # 压缩设置  
    gzip on;  
    gzip_vary on;  
    gzip_proxied any;  
    gzip_comp_level 6;  
    gzip_types text/plain text/css text/xml application/json application/javascript application/rss+xml application/atom+xml image/svg+xml;  

    # 日志配置  
    access_log /tmp/nginx_access.log;  
    error_log /tmp/nginx_error.log;  
    
    limit_req_zone $binary_remote_addr zone=one:10m rate=10r/s;  
    limit_conn_zone $binary_remote_addr zone=addr:10m;  
    # MIME类型  
    include /etc/nginx/mime.types;  

    # 性能优化的upstream配置  
    upstream backend {  
        least_conn;  # 最少连接负载均衡  
        server 127.0.0.1:3000 max_fails=3 fail_timeout=30s;  
        keepalive 32;  # 保持的后端连接数  
    }  

    server {  
        listen 7860 reuseport;  # 启用端口重用  
        listen [::]:7860 reuseport;  
        server_name localhost;  



        location /hf/ {  
            rewrite ^/hf/(.*)$ /$1 break;  
            limit_req zone=one burst=15 nodelay;  
            limit_conn addr 5;  
            proxy_pass http://backend;  
            proxy_set_header Upgrade $http_upgrade;  
            proxy_set_header Connection "upgrade";  
            proxy_set_header Host $host;  

            # 清除敏感头部  
            proxy_set_header X-Forwarded-For "";  
            proxy_set_header X-Real-IP "";  
            proxy_set_header X-Direct-Url "";  
            proxy_set_header X-Forwarded-Port "";  
            proxy_set_header X-Ip-Token "";  
            proxy_set_header X-Request-Id "";  
            proxy_set_header X-Amzn-Trace-Id "";  
            proxy_set_header X-Forwarded-Proto "";  

            # 代理优化  
            proxy_buffering off;  
            proxy_cache off;  
            proxy_connect_timeout 60s;  
            proxy_send_timeout 60s;  
            proxy_read_timeout 60s;  
            error_page 503 =429 /429.html;  
        }  

        location / {  
            limit_req zone=one burst=20 nodelay;  
            limit_conn addr 10;  
            proxy_pass http://backend;  
            proxy_set_header Upgrade $http_upgrade;  
            proxy_set_header Connection "upgrade";  
            proxy_set_header Host $host;  

            # 清除敏感头部  
            proxy_set_header X-Forwarded-For "";  
            proxy_set_header X-Real-IP "";  
            proxy_set_header X-Direct-Url "";  
            proxy_set_header X-Forwarded-Port "";  
            proxy_set_header X-Ip-Token "";  
            proxy_set_header X-Request-Id "";  
            proxy_set_header X-Amzn-Trace-Id "";  
            proxy_set_header X-Forwarded-Proto "";  

            # 代理优化  
            proxy_buffering off;  
            proxy_cache off;  
            proxy_connect_timeout 60s;  
            proxy_send_timeout 60s;  
            proxy_read_timeout 60s;  

            error_page 503 =429 /429.html;  
        }  
        # 429 错误页面  
        location = /429.html {  
            return 429 'Too Many Requests';  
        }  
    }  
}