nginx代理后端接口和websocket

默认接口和websocket路径都是/ 所以需要在nginx里面判断

#对代理服务器的请求中的“ Connection”标头字段的值取决于客户端请求标头中是否存在“ Upgrade”字段
map $http_upgrade $connection_upgrade {
        default upgrade;
        ''      close;
    }
	
upstream roobot_server {                                                         
    server 172.17.0.1:9201;   
    keepalive 2000;                                             
}

	server {
		listen       80;
		server_name  ip地址;
		location / {
			proxy_pass http://roobot_server/;
			proxy_set_header Host $host:$server_port;
			proxy_set_header X-Forwarded-Host $host;
			proxy_set_header X-Forwarded-Server $host;
			proxy_set_header X-Real-IP  $remote_addr;
			proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
　　　　　　　　　　　　　　#以下两句是对http还是ws进行判断  都有则为ws
			proxy_set_header Upgrade $http_upgrade;
            		proxy_set_header Connection $connection_upgrade;
			proxy_connect_timeout 300s;
			proxy_send_timeout 500s;
			proxy_read_timeout 500s;
		}
	
		 location /roobot/ {
               	 	 root /usr/share/nginx/html;
              	    		 index index.html index.htm;
              		  }
		location ~.*(js|css|png|gif|jpg|mp3|ogg|ttf|woff)$ {
      		  	root /usr/share/nginx/html/roobot;
   		}
	}