FROM python:3.11-slim

WORKDIR /app

# System dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl ca-certificates git \
    && rm -rf /var/lib/apt/lists/*

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

# Application code
COPY app ./app

# Data + log dirs (HF Spaces can persist /data across rebuilds)
RUN mkdir -p /data/outputs /data/logs

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    DATA_PILOT_PORT=7860 \
    DATA_PILOT_HOST=0.0.0.0

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
    CMD curl -fsS http://localhost:7860/api/health || exit 1

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]