FROM node:20-alpine AS frontend-builder

WORKDIR /frontend

COPY chatbot/package*.json ./
RUN npm ci

COPY chatbot/ ./

ARG VITE_API_BASE_URL=""
ENV VITE_API_BASE_URL=$VITE_API_BASE_URL

RUN npm run build


FROM python:3.10-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    && rm -rf /var/lib/apt/lists/*

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

COPY backend/ ./backend/
COPY data/ ./data/
COPY --from=frontend-builder /frontend/dist ./frontend/dist

RUN useradd -m appuser && chown -R appuser /app
USER appuser

ENV PYTHONUNBUFFERED=1
ENV FLASK_ENV=production
ENV PORT=7860

WORKDIR /app/backend

EXPOSE 7860

CMD ["sh", "-c", "PORT=7860 python main.py"]