Docker + traefik: communication between containers is broken

After installing fresh "Ubuntu 22.04.3 LTS" I found one of my docker environment broken.
By previous setup containers should see each other by it's host names which is configured in traefik.
Error was cURL error 7: Failed to connect to port 443 after 0 ms: Couldn't connect to server (see for

Bluetooth issue in multiuser systems

I'm using Xubuntu which has XFCE as DE. And it's possible to switch users fast with hotkeys, without locking them. Hotkey is Ctrl+Alt+F7 (F8, F9, F10, F11).
Pulseaudio works isolated with each user so sounds are not mixed and it's good.
But bluetooth has an issue there: when you connecting to already paired bluetooth device it can be connected to ANOTHER logged user. How you can check it? Profiles will not be available when you click right mouse in bluetooth-manager applet. 

MacOs docker groupadd error

Recently I faced with a bug when my docker containers didnt success building in macos. First my thoughts was that shell command to getting UID and GID was not working correctly. But I did a test in MacOs in Virtualbox and everything was fine.
The command which end up with error was:

Updated movies downloader from online service

My first article was about downloading movies from the page with a bit of parse and do everything in bash. This time the task gotta be more complicated. We need to download the movies from playlist which loaded by ajax.

First task is to find the check how the list with episodes appears on the page. I've checked in browser console ajax request and found PLAYLIST_ID in page source code.