NGINX 反向代理 WebSocket

# 定义 WebSocket Upstream
upstream websocket {
    server 127.0.0.1:2333;
}
    
server {
    # ...

    # 代理 WebSocket 请求
    location /ws/ {
        proxy_pass http://websocket;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
    }
    
    # ...
}