# ── Stage 1: build ──────────────────────────────────────────────────────────
FROM python:3.12-slim AS build

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

# Create virtual environment
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# System deps required by WeasyPrint (build time)
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        gcc \
        libpango-1.0-0 \
        libpangocairo-1.0-0 \
        libgdk-pixbuf2.0-0 \
        libffi-dev \
        libcairo2 \
        libglib2.0-0 && \
    rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# ── Stage 2: runtime ─────────────────────────────────────────────────────────
FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PATH="/opt/venv/bin:$PATH"

# System deps required by WeasyPrint (runtime)
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        libpango-1.0-0 \
        libpangocairo-1.0-0 \
        libgdk-pixbuf2.0-0 \
        libcairo2 \
        libglib2.0-0 && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY --from=build /opt/venv /opt/venv
COPY . .

COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

EXPOSE 8000

ENTRYPOINT ["/entrypoint.sh"]