# Stage 1: Build frontend
FROM node:20-alpine AS frontend
WORKDIR /build
COPY frontend/package.json frontend/package-lock.json* ./
RUN npm install
COPY frontend/ ./
RUN npm run build

# Stage 2: Python runtime
FROM python:3.12-slim
WORKDIR /app
COPY backend/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY backend/ ./
COPY --from=frontend /build/dist /app/static
EXPOSE 4000
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "4000"]