chunker and ui

ctrl/Dockerfile.worker

@@ -9,6 +9,7 @@ WORKDIR /app
 COPY requirements.txt requirements-worker.txt ./
 RUN pip install --no-cache-dir -r requirements-worker.txt
 
-COPY . .
+# No COPY . . — code is volume-mounted in dev (..:/app)
+# This image only provides Python runtime + FFmpeg + dependencies
 
 CMD ["celery", "-A", "admin.mpr", "worker", "--loglevel=info"]