Dockerfile

# 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"]