FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app
ENV HOME=/app         

# Install deps
COPY requirements.txt /app/
RUN pip install --upgrade pip && pip install -r requirements.txt

# Copy code
COPY . /app

# Streamlit / Matplotlib writable dirs
ENV STREAMLIT_CONFIG_DIR=/app/.streamlit
ENV MPLCONFIGDIR=/app/.config/matplotlib
ENV STREAMLIT_BROWSER_GATHERUSAGESTATS=false

RUN mkdir -p /app/.streamlit /app/.config/matplotlib \
 && chmod -R 777 /app/.streamlit /app/.config/matplotlib

EXPOSE 7860
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]