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meshtastic_broadcaster/Dockerfile

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+ARG BUILD_FROM
+FROM ${BUILD_FROM}
+
+ENV LANG=C.UTF-8
+
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends python3 python3-pip python3-venv \
+  && rm -rf /var/lib/apt/lists/*
+
+# Isolated venv (Debian bookworm marks the system env externally-managed)
+RUN python3 -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+COPY requirements.txt /
+RUN pip install --no-cache-dir -r /requirements.txt
+
+COPY run.sh /
+COPY broadcaster.py /
+RUN chmod a+x /run.sh
+
+CMD [ "/run.sh" ]