server {
    listen 80;
    server_name performance-appraisal.excn.top;

    if ($http_x_forwarded_proto = "http") {
        return 301 https://$server_name$request_uri;
    }

    # 🔥 API（必须放前面 + ^~）
    location ^~ /api/ {

        rewrite ^/api/api/(.*)$ /api/$1 break;

        proxy_pass http://backend:3001/;

        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 $http_x_forwarded_proto;

        add_header X-Debug-API "hit-api";
    }

    # 前端
    location / {
        proxy_pass http://frontend:3000;

        proxy_set_header Host $host;

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