Docker and installation issues

docker/Dockerfile.bot

@@ -1,7 +1,7 @@
 # Conjurer main Discord bot.
 # Build from the repository root:
 #   docker build -f docker/Dockerfile.bot -t conjurer-bot .
-FROM python:3.11-slim
+FROM python:3.13-trixie
 
 # System dependencies:
 #   ffmpeg        - audio download/convert (yt_dlp) and Discord voice
@@ -17,6 +17,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         build-essential \
         curl \
         ca-certificates \
+        python3-dev \
+        build-essential \
+        portaudio19-dev \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app