nginx reverse proxy config for <port>.domain.com to localhost:<port>

vscode like port reverse proxy

# This is a default site configuration which will simply return 404, preventing
# chance access to any other virtualhost.

resolver 172.17.0.1 valid=1s;

server {
    listen 80;
    server_name ~^(?<port>\d+)\.boniface\.pe$;

    location / {	
        set $backend_port $port;
        proxy_pass http://host.docker.internal:$port;
        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;
    }
}

for apache:

<VirtualHost *:80>
    ServerName 80.boniface.pe
    ServerAlias *.boniface.pe
    RewriteEngine On

    # Exclude port 80 from the rewrite rule to prevent a loop
    RewriteCond %{HTTP_HOST} !^80\.boniface\.pe$
    # Extract the port number using a RewriteCond
    RewriteCond %{HTTP_HOST} ^([0-9]+)\.boniface\.pe$
    RewriteRule ^/(.*)$ http://host.docker.internal:%1/$1 [P,L]

    # Proxy settings
    ProxyPreserveHost On
    ProxyPassReverse / http://host.docker.internal/
</VirtualHost>