FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PORT=8501

WORKDIR /app

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

COPY requirements.txt ./
RUN pip install --upgrade pip && pip install -r requirements.txt

COPY . .
RUN chmod +x /app/start.sh

EXPOSE 8501

CMD ["/app/start.sh"]