Prometheus exporter for HomeHub 4000 router

Dockerfile

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+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"]