FROM python:3.12-slim

# Install Node.js for frontend build
RUN apt-get update && \
    apt-get install -y --no-install-recommends curl && \
    curl -fsSL https://deb.nodesource.com/setup_22.x | bash - && \
    apt-get install -y --no-install-recommends nodejs && \
    apt-get clean && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# Build frontend
COPY frontend/package.json frontend/package-lock.json ./frontend/
RUN cd frontend && npm ci

COPY frontend/ ./frontend/
RUN cd frontend && npm run build

# Copy backend and example data
COPY app/ ./app/
COPY example_data/ ./example_data/

# HF Spaces expects port 7860
EXPOSE 7860

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