# Multi-stage Dockerfile for Hugging Face Spaces
# Single container: FastAPI serves React static files directly

# Stage 1: Build React frontend
FROM node:20-alpine AS frontend-build

WORKDIR /frontend
COPY frontend/package*.json ./
RUN npm ci
COPY frontend/ ./
RUN npm run build

# Stage 2: Python + FastAPI
FROM python:3.11-slim

WORKDIR /app

# Install system dependencies (gcc needed for some Python packages)
RUN apt-get update && apt-get install -y \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copy and install Python dependencies
COPY backend/requirements.txt ./requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy backend code
COPY backend ./backend

# Copy built frontend from Node stage (Vite outputs to dist/)
COPY --from=frontend-build /frontend/dist ./frontend/dist

# Create data directory for SQLite database
RUN mkdir -p /app/data

# Hugging Face Spaces expects port 7860
EXPOSE 7860

# Environment variables
ENV PORT=7860
ENV PYTHONUNBUFFERED=1

# Start FastAPI with Uvicorn
CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "7860"]