TTS on Docker via audio jack

Hi there, I'm using Nodered in Docker. I'm looking for a packet that will allow to get the TTS functionality via analog audio jack. For some time I used RPi3B+ with OMXplayer successfully. Now I moved to the HP T620 thin client with Debian 10 and installed Docker. Can anyone advice how to get TTS running via analog audio jack of my T620? I think the biggest problem is to find a good replacement for OMXplayer which will run on Alpine Linux (Nodered Docker container is based on this version of Linux).

Nodered v1.2.6
Node.JS v10.23.0

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