nginx代理php项目的websocket

在http段添加
http {
...
map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}
...
}
在server段配置
upstream websocket {
server IP:PORT; # websocket的IP和端口
}

server {
server_name XXX; #域名
listen 443 ssl;
ssl_certificate cert/XXX;
ssl_certificate_key cert/XXX;
location / {
proxy_pass https://websocket;
proxy_read_timeout 300s;
proxy_send_timeout 300s;
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_http_version 1.1;
     proxy_set_header Upgrade $http_upgrade;
     proxy_set_header Connection $connection_upgrade;
 }

}