FROM python:3.11-slim

WORKDIR /app
RUN apt-get update && apt-get install -y --no-install-recommends build-essential \
  && rm -rf /var/lib/apt/lists/*

# Install deps
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app
COPY . .

# 🔧 Ensure Chainlit can write to its working dirs
RUN mkdir -p /app/.files /app/.chainlit && chmod -R 777 /app

# Spaces injects PORT
ENV PORT=7860
EXPOSE 7860

CMD ["bash", "-lc", "chainlit run app.py --host=0.0.0.0 --port $PORT"]