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deploy/host-gateway/agent/Dockerfile

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+# sicabe-config-agent — Python stdlib + PyYAML (image ramping).
+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY agent.py ./
+
+# Default; override via env AGENT_PORT.
+EXPOSE 8080
+
+HEALTHCHECK --interval=30s --timeout=3s --retries=3 \
+    CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8080/healthz')" || exit 1
+
+ENTRYPOINT ["python", "-u", "agent.py"]