FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PORT=7860
ENV HOST=0.0.0.0

WORKDIR /app

# Install system dependencies (build tools if needed for timesfm/torch)
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy backend requirements
COPY backend/requirements.txt .

# Install dependencies
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt && \
    pip install --no-cache-dir tsagentkit-timesfm[torch]

# Copy the core project
COPY backend/ ./backend/
COPY frontend/ ./frontend/

# Expose port (7860 required for Hugging Face Spaces)
EXPOSE 7860

# Start command
CMD ["python", "backend/main.py"]