# syntax=docker/dockerfile:1.7

FROM node:20-alpine AS frontend-builder
WORKDIR /frontend
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci
COPY frontend/ ./
RUN npm run build

FROM python:3.12-slim AS runtime
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    MUSPROT_FRONTEND_DIR=/app/frontend

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

COPY backend/app ./app
COPY backend/assets ./assets
COPY backend/space_app.py ./space_app.py
COPY --from=frontend-builder /frontend/build ./frontend

EXPOSE 8501
HEALTHCHECK --interval=30s --timeout=10s --start-period=30m --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8501/health')"

CMD ["uvicorn", "space_app:app", "--host", "0.0.0.0", "--port", "8501", "--workers", "1"]