FROM node:18-alpine AS frontend-builder

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

FROM python:3.11-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

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

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

COPY backend/app ./app

COPY --from=frontend-builder /app/frontend/dist ./app/static

EXPOSE 7860

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