# Nginx 反向代理 — dn.akqp.online → 127.0.0.1:8765 (server.py)
# 支持 WebSocket（/ws）。HTTPS 由 certbot --nginx 自动追加 443 段与跳转。

map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen 80;
    listen [::]:80;
    server_name dn.akqp.online;

    # 入口直接打开真实 MVP 页面
    location = / {
        return 302 /live.html;
    }

    location / {
        proxy_pass http://127.0.0.1:8765;
        proxy_http_version 1.1;
        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_set_header X-Forwarded-Proto $scheme;

        # WebSocket 升级（/ws 走这里）
        proxy_set_header Upgrade    $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        # 长连接保活，避免 WS 被默认 60s 读超时切断
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
    }
}