Update dockerfile

dockerfile

@@ -1,20 +1,16 @@
 FROM python:3.11-slim-bullseye
 WORKDIR /app
 
-# System packages needed for ffmpeg and yt‑dlp
 RUN apt-get update && apt-get -y upgrade && \
     apt-get install -y ffmpeg && \
     rm -rf /var/lib/apt/lists/*
 
-# Create folders used by the app
 RUN mkdir -p /app/data /app/.streamlit
 
-# Copy source files
 COPY requirements.txt /app/requirements.txt
 COPY .streamlit/config.toml /app/.streamlit/config.toml
 COPY streamlit_app.py /app
 
-# Install Python deps
 RUN pip install --upgrade pip && \
     pip install -r requirements.txt