# Stage 1: Build React frontend FROM node:20-slim AS frontend-build WORKDIR /app/frontend COPY frontend/package*.json ./ RUN npm install COPY frontend/ ./ RUN npm run build # Output: /app/frontend/dist # Stage 2: Python runtime FROM python:3.11-slim WORKDIR /app # HF Spaces runs containers as UID 1000 — create a non-root user RUN useradd -m -u 1000 appuser # Install uv COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/ # Install Python dependencies via uv COPY pyproject.toml uv.lock ./ RUN uv sync --frozen --no-dev # Copy FastAPI backend COPY backend/ ./backend/ # Copy React static build from Stage 1 COPY --from=frontend-build /app/frontend/dist ./frontend/dist # Give appuser ownership RUN chown -R appuser:appuser /app USER appuser # HF Spaces requires port 7860 EXPOSE 7860 CMD ["uv", "run", "uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860"]