# 全局块 - 影响 Nginx 整体运行
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# events 块 - 影响 Nginx 与用户的网络连接
events {
    worker_connections 1024;
    use epoll;
}

# http 块 - HTTP 服务器相关配置
http {
    # http 全局块
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    # server 块 - 虚拟主机配置
    server {
        # server 全局块
        listen 80;
        server_name example.com;

        # location 块 - URL 匹配配置
        location / {
            root /var/www/html;
            index index.html;
        }

        location /api {
            proxy_pass http://backend;
        }
    }

    # 可以有多个 server 块
    server {
        listen 80;
        server_name another.com;
        # ...
    }
}

# stream 块 - TCP/UDP 代理配置（可选）
stream {
    server {
        listen 3306;
        proxy_pass mysql_cluster;
    }
}