FROM python:3.11-slim

ENV TZ=Etc/GMT+6
RUN apt-get update && apt-get install -y --no-install-recommends tzdata \
    && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
    && echo $TZ > /etc/timezone \
    && rm -rf /var/lib/apt-get/lists/*

WORKDIR /app

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

# Copiar el paquete modular
COPY app /app/app
COPY static /app/static

RUN mkdir -p /app/data_logs /app/firmware /app/state
VOLUME ["/app/data_logs", "/app/firmware", "/app/state"]

EXPOSE 8000

# Socket ownership is in memory; multiple workers need an external coordinator.
HEALTHCHECK --interval=10s --timeout=3s --start-period=10s --retries=3 CMD ["python", "-c", "import json,urllib.request; raise SystemExit(not json.load(urllib.request.urlopen('http://127.0.0.1:8000/health',timeout=2))['ok'])"]
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1", "--ws-max-size", "16384"]