nginx 生产中配置记录

root@ubuntu:/etc/nginx/sites-enabled# cat nginx_universal.conf 
upstream manager  {
    #ip_hash;
    server 10.200.47.69:9100;
    server 10.200.47.70:9100;
}

upstream portia  {
    ip_hash;

    server 10.200.47.69:9010;
    server 10.200.47.69:9020;
    server 10.200.47.70:9010;
    server 10.200.47.70:9020;
}


server {
    listen 9000;
    server_name crawler.ckcest.cn;
    charset utf-8;

    location /chatbot/ {
        proxy_set_header Host $host;
        proxy_pass  http://118.190.49.72:8888/;
    }
    location / {
        proxy_set_header        Host            $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass  http://manager;
    }
   location /crawler_board/ {
    proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_pass http://10.200.47.71:8200/;
   }
   location /api/analysis/ {
    proxy_set_header Host $host;
    proxy_pass http://10.200.47.71:8200/api/analysis/;    
  }
        
}
server {
    listen 9001;
    server_name  vspider.ckcest.cn;   
    charset utf-8;
    location / {
    proxy_redirect          off;
        proxy_set_header        Host            $host:$server_port;
        proxy_set_header        X-Real-IP       $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_pass  http://portia;
        
   } 
   location /ws {
        proxy_pass  http://portia;

    # WebSocket support
    proxy_http_version 1.1;
    proxy_buffering    off;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    }
}

1. 缺少/ 不能访问设置的地址
proxy_pass http://10.200.47.71:8200/; 后面需要加 / 才能访问

10.200.47.69本机ip

10.200.47.69:9000/crawler_borad/

2. 地址能访问但是不能加载出页面；
原因：缺少

     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

参考 ：http://www.cnblogs.com/kevingrace/p/6566119.html