# Stage 1: Build the React frontend
FROM node:20-slim AS frontend-build
WORKDIR /app/frontend
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci --legacy-peer-deps
COPY frontend/ ./
RUN npm run build

# Stage 2: Python backend + built frontend
FROM python:3.11-slim
WORKDIR /app

RUN useradd -m -u 1000 appuser

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

COPY backend/main.py .
COPY --from=frontend-build /app/frontend/dist ./static/

RUN chown -R appuser:appuser /app
USER appuser

EXPOSE 7860

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