1.  upstream backserver{
    2.      //-------------负载均衡算法--------------
    3.      //轮询-默认
    4.      //ip_hash;
    5.      //least_conn;
    6.      //least_time;
    7.      //random;
    8.      //----需额外的模块支持---
    9.      //consistent_hash;
    10.      //fair;
    11.      //----------------------
    12.      //----------------------------------------
    13.      ip_hash;
    14.      server test1.server:8080 weight=5;
    15.      server test2.server:8080;
    17.      server test2.server:8080 backup;
    18.  }
    20.  server {
    21.         listen       8080;
    22.         server_name  front.server.com;
    23.         client_max_body_size    200m;
    24.         proxy_set_header X-Real-IP $remote_addr;
    25.         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    26.         proxy_set_header X-Forwarded-For $http_x_forwarded_for;
    27.         proxy_set_header X-Forwarded-For $remote_addr;
    29.         location ^~ /server_context {
    30.             client_max_body_size    200m;
    31.             proxy_pass              http://backserver/server_context/;
    32.             # websocket support
    33.             proxy_http_version 1.1;
    34.             proxy_set_header Upgrade $http_upgrade;
    35.             proxy_set_header Connection "upgrade";
    36.         }
    38.         location / {
    39.             root   /home/dist/;
    40.             client_max_body_size    200m;
    41.             index  index.html index.htm;
    42.             if (!-e $request_filename) {
    43.                 rewrite ^(.*)$ /index.html?s=$1 last;
    44.                 break;
    45.             }
    46.         }
    47.     }