FROM python:3.10-slim
ENV PYTHONUNBUFFERED=1
# HF Spaces sets PORT; default to 7860 for local dev
ENV PORT=7860
WORKDIR /app
COPY requirements.txt /app/requirements.txt
RUN apt-get update && apt-get install -y --no-install-recommends build-essential         && rm -rf /var/lib/apt/lists/*         && pip install --no-cache-dir -r /app/requirements.txt
COPY app.py /app/app.py
EXPOSE 7860
# Use shell form so $PORT expands
CMD streamlit run app.py --server.port $PORT --server.address 0.0.0.0