# Single-stage build for HF Spaces (Docker SDK)
FROM python:3.13-slim

ENV DEBIAN_FRONTEND=noninteractive \
    PIP_NO_CACHE_DIR=1 \
    PYTHONUNBUFFERED=1

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

WORKDIR /app

# Install CPU-only PyTorch first (saves ~1.5 GB vs CUDA wheels)
RUN pip install --upgrade pip && \
    pip install torch torchvision --index-url https://download.pytorch.org/whl/cpu

# Install all project dependencies
COPY requirements.txt .
RUN pip install -r requirements.txt

# Copy application code
COPY pyproject.toml .
COPY src/ src/
COPY app/ app/

# Install the package so imports work
RUN pip install --no-deps -e .

# HF Spaces requires port 7860
EXPOSE 7860

# Secrets (SERPAPI_KEY, HF_TOKEN, etc.) are injected as env vars by HF Spaces.
CMD ["uvicorn", "app.api:app", "--host", "0.0.0.0", "--port", "7860"]