Fix bugs and change core container

Dockerfile

@@ -1,5 +1,5 @@
 ## OP25 Core Container
-FROM ubuntu:24.04
+FROM python:slim-trixie
 
 # Set environment variables
 ENV DEBIAN_FRONTEND=noninteractive
@@ -7,7 +7,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 # Install system dependencies
 RUN apt-get update && \
     apt-get upgrade -y && \ 
-    apt-get install git python3 python3-pip pulseaudio pulseaudio-utils liquidsoap -y
+    apt-get install git pulseaudio pulseaudio-utils liquidsoap -y
 
 # Clone the boatbod op25 repository
 RUN git clone -b gr310 https://github.com/boatbod/op25 /op25