# 全局配置
user nginx;
worker_processes auto;

# 事件模块
events {
    worker_connections 1024;
}

# HTTP 模块
http {
    include mime.types;

    # HTTP Server
    server {
        listen 80;
        server_name example.com;

        # 请求匹配
        location / {
            root /var/www/html;
            index index.html;
        }

        # 静态资源
        location /static/ {
            alias /var/www/static/;

            # 浏览器缓存 30 天
            expires 30d;
            add_header Cache-Control "public";
        }

        # 媒体文件
        location /media/ {
            alias /var/www/media/;

            # 浏览器缓存 7 天
            expires 7d;
            add_header Cache-Control "public";
        }

        # 反向代理示例
        location /api/ {
            proxy_pass http://backend;

            # HTTP 协议版本
            proxy_http_version 1.1;
            # 保留原始 Host
            proxy_set_header Host $host;
            # 客户端真实 IP
            proxy_set_header X-Real-IP $remote_addr;
            # 代理链路 IP
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            # 原始协议
            proxy_set_header X-Forwarded-Proto $scheme;
        }
    }
}