Dockerfile

# ── Stage 1: Build the React frontend ────────────────────────────────────────
FROM node:20-slim AS frontend-builder

WORKDIR /frontend

COPY frontend/package*.json ./
RUN npm ci --prefer-offline

COPY frontend/ ./
RUN npm run build


# ── Stage 2: Python runtime (backend + serves built frontend) ─────────────────
FROM python:3.12-slim

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

WORKDIR /app

# Install dependencies first (better layer caching)
COPY pyproject.toml README.md ./
RUN pip install --no-cache-dir .

# Copy application code
COPY app ./app

# Copy built frontend from stage 1
COPY --from=frontend-builder /frontend/dist ./frontend/dist

# Data directory for SQLite / uploads
RUN mkdir -p /data
VOLUME ["/data"]

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]