# ═══════════════════════════════════════════════════════════
# FlowDeck — multi-stage Docker build (v5.2.0)
# Stage 1 "builder": build Python wheels once.
# Stage 2 "runtime": minimal image with WeasyPrint system libs.
# ═══════════════════════════════════════════════════════════
FROM python:3.13-slim AS builder

WORKDIR /app

COPY requirements.txt .
RUN pip wheel --no-cache-dir --wheel-dir /wheels -r requirements.txt

# ── runtime stage ───────────────────────────────────────────
FROM python:3.13-slim AS runtime

WORKDIR /app

# WeasyPrint PDF: text layout (pango/harfbuzz), image decoding, fonts,
# colour emoji support. curl = healthcheck.
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    libpango-1.0-0 \
    libpangoft2-1.0-0 \
    libharfbuzz0b \
    libffi-dev \
    libgdk-pixbuf-2.0-0 \
    shared-mime-info \
    fonts-dejavu-core \
    fonts-noto-color-emoji \
    && rm -rf /var/lib/apt/lists/*

COPY --from=builder /wheels /wheels
RUN pip install --no-cache-dir /wheels/* && rm -rf /wheels

COPY . .

RUN mkdir -p /data /data/backups

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:8080/api/health || exit 1

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8080", "--proxy-headers", "--forwarded-allow-ips", "*"]