FROM python:3.13-slim

WORKDIR /app

# Install playwright dependencies and curl for health checks
RUN apt-get update && apt-get install -y --no-install-recommends \
    libnss3 libnspr4 libatk1.0-0 libatk-bridge2.0-0 libcups2 libdrm2 \
    libxkbcommon0 libxcomposite1 libxdamage1 libxfixes3 libxrandr2 \
    libgbm1 libasound2 libpango-1.0-0 libcairo2 curl \
    && rm -rf /var/lib/apt/lists/*

# Install uv
COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv

# Copy and install
COPY pyproject.toml uv.lock ./
COPY src/ ./src/
RUN uv sync --frozen && uv run playwright install chromium

ENV EXPORTER_PORT=9100
ENV HEADLESS_BROWSER=true
EXPOSE 9100

HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
    CMD curl -f http://localhost:9100/metrics || exit 1

ENTRYPOINT ["uv", "run", "python", "src/exporter.py"]