nginx 实现一个域名下访问后端接口（负载均衡）和前端页面的配置

  upstream iis_server{
	    server 192.168.0.222:8899  weight=1;
		  server 127.0.0.1:8899  weight=1;
    }

server {
    listen 80;
    server_name  xxx.com;
    root /dir_path;

    location /interface/ {
       // proxy_pass https://我们的接口地址/;
        proxy_pass http://iis_server;
        proxy_connect_timeout  3600;
        proxy_send_timeout     3600;
        proxy_read_timeout     3600;
        proxy_set_header  Host               $host;
        proxy_set_header  X-Real-Scheme      $scheme;
        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;
    }

    location /{
        index  index.html;
        try_files  $uri $uri/  /index.html;
    }
}



# 定义上游服务器组，名为iis_server
upstream iis_server{
    # 后端服务器1: 内网IP为192.168.0.222，端口8899，权重为1
    server 192.168.0.222:8899  weight=1;
    # 后端服务器2: 本地回环地址，端口8899，权重为1
    server 127.0.0.1:8899  weight=1;
}

# 定义虚拟主机配置
server {
    # 监听80端口
    listen 80;
    # 服务器域名为xxx.com
    server_name  xxx.com;
    # 网站根目录路径
    root /dir_path;

    # 处理/interface/路径的请求
    location /interface/ {
        # 将请求代理到上游服务器组iis_server
        proxy_pass http://iis_server;
        # 连接超时时间设置为3600秒(1小时)
        proxy_connect_timeout  3600;
        # 发送超时时间设置为3600秒(1小时)
        proxy_send_timeout     3600;
        # 读取超时时间设置为3600秒(1小时)
        proxy_read_timeout     3600;
        # 设置代理请求头信息
        proxy_set_header  Host               $host;
        proxy_set_header  X-Real-Scheme      $scheme;
        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;
    }

    # 处理根路径及其他路径的请求
    location /{
        # 默认索引文件为index.html
        index  index.html;
        # 尝试按顺序查找文件: 直接匹配URI -> URI作为目录 -> 回退到index.html
        try_files  $uri $uri/  /index.html;
    }
}