docker内的服务无法获取用户真实IP

背景:MySQL数据库和Redis运行在宿主机上(Linux),server运行在docker内,web运行在Nginx内(Nginx运行在docker内),获取的用户IP为10.0.0.10类似的docker内部IP

需求:获取真实IP

方法:

   一、修改Nginx配置文件,docker容器内【/etc/nginx/conf.d/default.conf】

      

server {
    listen       80;
    server_name  localhost;

    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;

    location / {
        root   /web;
        index  index.html index.htm;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #

    location /api/ {
        proxy_pass   http://base-framework-server/;
        #下边是为获取真实IP所做的设置
        proxy_set_header    X-Real-IP        $remote_addr;
        proxy_set_header    X-Forwarded-For  $proxy_add_x_forwarded_for;
        proxy_set_header    HTTP_X_FORWARDED_FOR $remote_addr;
        proxy_set_header    X-Forwarded-Proto $scheme;
        proxy_redirect      default;
    }

}

   二、增加工具类【HttpUtil】

    

import org.springframework.util.StringUtils;

import javax.servlet.http.HttpServletRequest;

/**
 * @ClassName HttpUtil
 * @Description Http工具类
 * @Author AAFE(WeChat:xskdjs945)
 * @Date 2019/11/28 10:19
 * @Version 1.0
 **/
public class HttpUtil {

    /**
     * 获取客户端真实IP
     *
     * @param request
     * @return
     */
    public static String getClientIP(HttpServletRequest request) {

        // nginx 中需要设置相关配置
        String ip = request.getHeader("X-Real-IP");
        if (StringUtils.isEmpty(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }

}

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转载自www.cnblogs.com/java-bhp/p/11984064.html
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