server {
    listen 80;
    listen 443 ssl http2;
    server_name onu.dhdx.fun;
    index index.html;
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Host $server_name;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $http_connection;
    access_log /www/sites/onu.dhdx.fun/log/access.log main;
    error_log /www/sites/onu.dhdx.fun/log/error.log;

    location ^~ /.well-known/acme-challenge {
        allow all;
        root /usr/share/nginx/html;
    }

    if ($scheme = http) {
        return 301 https://$host$request_uri;
    }

    ssl_certificate /www/sites/onu.dhdx.fun/ssl/fullchain.pem;
    ssl_certificate_key /www/sites/onu.dhdx.fun/ssl/privkey.pem;
    ssl_protocols TLSv1.3 TLSv1.2 TLSv1.1 TLSv1;
    ssl_ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:!aNULL:!eNULL:!EXPORT:!DSS:!DES:!RC4:!3DES:!MD5:!PSK:!KRB5:!SRP:!CAMELLIA:!SEED;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;
    error_page 497 https://$host$request_uri;
    proxy_set_header X-Forwarded-Proto https;
    add_header Strict-Transport-Security "max-age=31536000";

    # 安全头
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # 前端（生产 nginx 容器，端口 18062）
    location / {
        proxy_pass http://127.0.0.1:18062;
    }

    # 后端 API（frp 隧道 → 本机后端 /api/ws/dashboard WebSocket）
    location /api/ {
        proxy_pass http://127.0.0.1:18060;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        proxy_connect_timeout 60s;
    }
}