# Use Python 3.11 image
FROM python:3.11-slim

WORKDIR /app

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

COPY . .

RUN mkdir -p /app/storage/contexts /app/storage/students /app/storage/progress/assessments /app/storage/progress/skills \
    && chmod -R 777 /app/storage

RUN mkdir -p /app/static \
    && cp -r /app/src/static/* /app/static/ 2>/dev/null || true \
    && chmod -R 755 /app/static

ENV PORT=7860
ENV PYTHONPATH=/app

EXPOSE 7860

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