FROM python:3.13-slim-bookworm

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

RUN apt-get update \
    && apt-get install -y --no-install-recommends ffmpeg ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt ./requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

RUN useradd -m -u 1000 botuser \
    && chown -R botuser:botuser /app

USER botuser

CMD ["python", "bot.py"]