Nginx 代理 WebSocket

http {
include       mime.types;
default_type  application/octet-stream;
#access_log  logs/access.log  main;sendfile        on;
#tcp_nopush     on;#keepalive_timeout  0;keepalive_timeout  65;
# webSocket配置配置信息map$http_upgrade $connection_upgrade {
default upgrade;
'' close;
  }
# 指定websocket服务upstreamwebsocket {
server 127.0.0.1:8085;
  }
server{
listen 8087;
location / {
#  引用proxy_passhttp://websocket;
proxy_read_timeout 300s;
proxy_set_headerHost $host;
proxy_set_headerX-Real-IP $remote_addr;
proxy_set_headerX-Forwarded-For $proxy_add_x_forwarded_for;
proxy_http_version 1.1;
proxy_set_headerUpgrade $http_upgrade;
proxy_set_headerConnection $connection_upgrade;
             }
#error_page  404              /404.html;# redirect server error pages to the static page /50x.html#error_page 500 502503 504  /50x.html;
location = /50x.html {
root   html;
          }
  }
}