server {
    listen 80;
    listen [::]:80;
    server_name calls.intaleqapp.com;

    # Redirection to HTTPS should be managed by CloudPanel/Nginx outer server block.
    # This block configures proxying WebSocket signaling connections to the Go backend.

    location / {
        proxy_pass http://127.0.0.1:47880;

        # WebSockets support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Forwarded headers
        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;

        # Connection timeout management
        proxy_read_timeout 120s;
        proxy_send_timeout 120s;
    }
}