Omar Amin
2d460b6728
Use events and commands to control custom onboard leds and buttons. Can be used to communicate with an external Python script via a WebSocket API running in a container alongside LVA.
48 lines
1.8 KiB
Docker
48 lines
1.8 KiB
Docker
FROM python:3.13-slim-bookworm
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ENV LANG=C.UTF-8
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ENV DEBIAN_FRONTEND=noninteractive
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ENV PYTHONUNBUFFERED=1
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LABEL \
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org.opencontainers.image.title="Satellite 1 HAT Peripheral Controller" \
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org.opencontainers.image.description="LED ring and button controller for Satellite 1 HAT Board, communicating with Linux Voice Assistant" \
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org.opencontainers.image.source="https://github.com/OHF-Voice/linux-voice-assistant"
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# ----------------------------------------------------------------------------
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# System packages
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#
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# build-essential – compiles rpi-ws281x C extension
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# python3-dev – Python C headers for native extensions
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# git – rpi-ws281x sometimes pulls from git during install
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#
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# Note: libgpiod-dev is NOT needed — gpiozero uses the lgpio backend
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# (installed via pip) which works on Pi 3/4/5 without RPi.GPIO.
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# ----------------------------------------------------------------------------
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RUN apt-get update && \
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apt-get install --yes --no-install-recommends \
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build-essential \
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python3-dev \
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git \
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ca-certificates && \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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# ----------------------------------------------------------------------------
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# Python dependencies
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#
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# websockets – WebSocket client to talk to LVA peripheral API
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# rpi-ws281x – SK6812 / WS2812 LED ring driver (PWM + DMA)
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# gpiozero – GPIO button input (Pi 3/4/5 compatible)
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# lgpio – gpiozero backend; works on Pi 3/4/5 including Pi 5
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# ----------------------------------------------------------------------------
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COPY requirements.txt ./
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RUN pip install --no-cache-dir -r requirements.txt
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COPY Satellite1_HAT_Board.py ./
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ENTRYPOINT ["python3", "Satellite1_HAT_Board.py"]
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CMD []
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