# Stage 1: Build Frontend
FROM node:20-slim AS frontend-builder
WORKDIR /app/frontend
COPY frontend/package*.json ./
RUN npm install
COPY frontend/ ./
RUN npm run build

# Stage 2: Backend Setup
FROM python:3.9-slim
WORKDIR /app

# Install system dependencies if needed
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy backend requirements
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy backend code
COPY app.py .

# Create data directory and set permissions (crucial for HF Spaces)
RUN mkdir -p /app/data && chmod 777 /app/data

# Copy built frontend from Stage 1
COPY --from=frontend-builder /app/frontend/dist ./frontend/dist

# Environment variables
ENV PYTHONUNBUFFERED=1
ENV PORT=7860

# Expose port
EXPOSE 7860

# Run command
CMD ["python", "app.py"]