refactor: ♻️ dockerfile code cleanup

Author: marcvergees

Dockerfile

@@ -4,12 +4,8 @@ FROM python:3.11-slim
 WORKDIR /app
 
 # Install system dependencies
-# Fixes #275 #191 #184 — libGL and libglib2 required by faster-whisper / OpenCV
-# Fixes #53 — libxcb1 missing from python:3.11-slim base image
-# ffmpeg required by faster-whisper for audio processing
 RUN apt-get update && apt-get install -y \
     curl \
-    ffmpeg \
     libgl1 \
     libglib2.0-0 \
     libxcb1 \
@@ -22,7 +18,6 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy application code
 COPY . .
 
-# Fix #118 #116 — PYTHONPATH must be /app (project root), not /app/src
 # All imports use api.*, src.* which require the root to be on the path
 ENV PYTHONPATH=/app