# 全局配置优化
worker_processes auto; # 自动根据CPU核心数设置工作进程
worker_cpu_affinity auto; # CPU亲和性，提高缓存命中率
worker_rlimit_nofile 65535; # 每个worker进程能打开的文件描述符数量

# 错误日志配置
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 4096; # 增加每个进程的最大连接数
    use epoll; # 使用epoll事件模型（Linux）
    multi_accept on; # 一个worker同时接受多个新连接
}

http {
    # 基础配置
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    # 日志格式
    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for" '
                    'upstream: $upstream_addr $upstream_status $request_time';

    access_log /var/log/nginx/access.log main buffer=64k flush=1m;

    # 性能优化参数
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    keepalive_requests 1000;
    client_max_body_size 100m; # 统一设置，可在server块覆盖
    client_body_timeout 60;
    client_header_timeout 60;
    send_timeout 60;
    reset_timedout_connection on;

    # 压缩配置
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    # 反向代理通用配置
    proxy_connect_timeout 30;
    proxy_send_timeout 60;
    proxy_read_timeout 60;
    proxy_buffering off;
    proxy_request_buffering off;

    # 上游服务器通用头部设置
    map $http_upgrade $proxy_connection {
        default "";
        websocket "upgrade";
    }

    # 通用代理配置
    proxy_set_header Host $http_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_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $proxy_connection;
    proxy_http_version 1.1;

    # 共享服务器配置
    server {
        listen 8000 reuseport; # 端口复用，提高性能
        server_name _; # 默认服务器
        return 444; # 关闭连接，不发送响应
    }

    # 各个服务配置
    server {
        listen 8000;
        server_name www.stayreal.online;
        ignore_invalid_headers off;
        client_max_body_size 0; # 无限制文件大小

        location / {
            proxy_pass http://192.168.1.100:8080;
            # 使用通用的proxy_set_header配置
        }
    }
    server {
        listen 8000;
        server_name api.stayreal.online;
        ignore_invalid_headers off;
        client_max_body_size 0; # 无限制文件大小

        location / {
            proxy_pass http://192.168.1.100:3001;
            # 使用通用的proxy_set_header配置
        }
    }
    server {
        listen 8000;
        server_name voce.liubeiting.cn;

        location / {
            proxy_pass http://192.168.1.100:6000;
            # 使用通用的proxy_set_header配置
        }
    }

    server {
        listen 8000;
        server_name git.liubeiting.cn;
        client_max_body_size 100m;

        location / {
            proxy_pass http://192.168.1.100:3000;
            proxy_set_header Host $host; # 覆盖通用配置
            proxy_set_header X-Real-Ip $remote_addr;
            proxy_set_header X-Forwarded-For $remote_addr;
            include /etc/nginx/blackip.conf;
        }
    }

    server {
        listen 8000;
        server_name panel.liubeiting.cn;
        client_max_body_size 100m;

        location / {
            proxy_pass http://192.168.1.100:8807;
            proxy_set_header Host $host;
            proxy_set_header X-Real-Ip $remote_addr;
            proxy_set_header X-Forwarded-For $remote_addr;
        }
    }

    server {
        listen 8000;
        server_name n8n.liubeiting.cn;

        location / {
            proxy_pass http://192.168.1.100:5678;
            proxy_set_header Host n8n.liubeiting.cn:8000;
            proxy_set_header Origin http://n8n.liubeiting.cn:8000;
            proxy_set_header X-Real-Ip $remote_addr;
            proxy_set_header X-Forwarded-For $remote_addr;
        }
    }

    server {
        listen 8000;
        server_name file.liubeiting.cn;
        client_max_body_size 0;
        location / {

            proxy_pass http://192.168.1.100:9090;
            proxy_set_header Host $host;
            proxy_set_header X-Real-Ip $remote_addr;
            proxy_set_header X-Forwarded-For $remote_addr;
        }
    }

    server {
        listen 8000;
        server_name cloud.liubeiting.cn;
        client_max_body_size 0;

        location / {
            proxy_pass http://192.168.1.100:5244;
            proxy_set_header X-NginX-Proxy true;
            real_ip_header X-Real-IP;
            chunked_transfer_encoding off;
        }
    }

    server {
        listen 8000;
        server_name news.liubeiting.cn;

        location / {
            proxy_pass http://192.168.1.100:9003;
            proxy_set_header X-NginX-Proxy true;
            real_ip_header X-Real-IP;
            chunked_transfer_encoding off;
        }
    }

    server {
        listen 8000;
        server_name search.liubeiting.cn;

        location / {
            proxy_pass http://192.168.1.100:10001;
            proxy_set_header Host $host;
            proxy_set_header X-Real-Ip $remote_addr;
            proxy_set_header X-Forwarded-For $remote_addr;
        }
    }
}