版本号：>14.*

配置：

events {
    use epoll;
    worker_connections  65535;
}

map $http_upgrade $connection_upgrade { 

    default upgrade; 

    ‘’ close; 

}

server {
        listen       80;
        server_name  **;
        #charset koi8-r;
        #access_log  logs/host.access.log  main;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        location / {
        proxy_pass http://127.0.0.1:8083;

      # 解决websocket代理1分钟重连问题
        proxy_connect_timeout 200s;
        proxy_read_timeout 200s;
        proxy_send_timeout 200s;

       proxy_set_header X-NginX-Proxy true;

       # prevents 502 bad gateway error

        proxy_buffers 8 32k;

       proxy_buffer_size 64k;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        }
}