# Combined Dockerfile for FastAPI backend + React frontend
# Stage 1: Build frontend
FROM node:18-alpine AS frontend-builder
WORKDIR /app/frontend
COPY frontend/package*.json ./
RUN npm ci
COPY frontend/ ./
RUN npm run build

# Stage 2: Build backend and serve both
FROM python:3.11-slim
WORKDIR /app

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

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

# Copy backend code
COPY backend/ ./backend/

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

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run FastAPI server with static file serving
CMD ["python", "-m", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]