Nginx 反向代理 websocket

websocks.conf

server {  
    listen 443 ssl;  
    server_name websocks;  

    root html;  
    ssl_certificate   /path/to/websocks.pem;  
    ssl_certificate_key  /path/to/websocks.key;  
    ssl_session_timeout 5m;  

    location / {
        proxy_pass http://127.0.0.1:8765;     
        proxy_set_header Host $http_host;  
        proxy_http_version 1.1;  
        proxy_set_header Upgrade $http_upgrade;  
        proxy_set_header Connection "upgrade";  
    }  
}