FROM python:3.10-slim

# System deps (needed for numpy / pandas / tensorflow)
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /code

# Fix Python path for imports
ENV PYTHONPATH=/code

# Install Python deps
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# Copy app
COPY . .

# HF Spaces expects port 7860
EXPOSE 7860

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